Mathematics : asked on samdoesmath6352

03.02.2020

Light travels at approximately 2.998 x 10^5km/s (correct to 4 significant figures. The distance between the Sun and the Earth is 1.495 X 10^8 km. How long would it take for light to travel from
the Sun to the Earth? Give your answer in scientific notation correct to 3 significant figures.

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09.07.2023, solved by verified expert

Rajat Thapa

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Mathematics, DAV Post Graduate College

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498.66577718478985990660440293529019346230820547031354236157438292 seconds

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Light travels at approximately 2.998 x 10^5km/s, №18011100, 03.02.2020 01:28

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Mathematics

Light travels at approximately 2.998 x 10^5km/s (correct to 4 significant figures. The distance between the Sun and the Earth is 1.495 X 10^8 km. How long would it take for light to travel from the Sun to the Earth? Give your answer in scientific notation correct to 3 significant figures.

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P Answered by Specialist

498.66577718478985990660440293529019346230820547031354236157438292 seconds

Step-by-step explanation:

Light travels at approximately 2.998 x 10^5km/s (correct to 4 significant figures. The distance

be

Mathematics

Neil places £2000 in a bank account that pays 1.5% simple interest per year. How much interest will he earn in 6 years?

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P Answered by PhD

SI=(P*R*T)/100

P=2000

R=1.5

T=6

SI=(2000*1.5*6)/100

=(2000*9)/100

=180

Neil will earn interest of 180

Mathematics

You can buy jars of the same jam in 2 sizes large jar:440g for £1.54 small jar:340g for £1.26 By considering the price per gram, work out which jar is the best value for money. Working must be shown

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P Answered by PhD

Answer: 440 grams for 1.54 is the better value
Explanation:
Take the price and divide by the number of grams
1.54 / 440 =0.0035 per gram
1.26 / 340 =0.003705882 per gram
0.0035 per gram < 0.003705882 per gram

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Deanna gets 3 problems incorrect on a math quiz. Her score is 85%. How many questions are on the quiz?

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P Answered by PhD

The answer is in the image

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A new school randomly assigns a six-character student code to every prospective student. The school uses the characters 1, 2, 3, 4, 5, X, Y, and Z. If none of the student codes contain a repeated character, what is the total number of codes that can be randomly assigned?

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P Answered by PhD

The total nom of code that can be used is equal to 5+3 = 8

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An online media service offers video and music downloads. Each download of a song costs $1. Each download of a video costs 5 times as much as the song download. You have a credit of $70. How many songs can you purchase after buying 12 videos?

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P Answered by PhD

The answer is in the image

Mathematics

Which number is the smallest? 4.4 ⋅ 10−5, 3.99 ⋅ 10−6, 2.6 ⋅ 102, 1.85 ⋅ 103

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The answer is in the image

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Stefania pure 2 liters of orange juice and 1.5 liters of pineapple juice into a punch bowl how many kiloliters are in the punch bowl

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Thomas got a haircut from the barber. If the haircut costs $32 and he wants to leave a 18% tip, how much will he pay in total?

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P Answered by PhD

Here,

tip=18%of $32

tip=(18/100)*32

=0.18*32

=$5.76

Total payment=32+5.76=$37.76

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Determine the area of a rectangle with length of 12.4 cm and a width of 8.8 cm.

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P Answered by PhD

Area of rectangle= L*b

here,

L=12.4 cm

b= 8.8 cm

A= L*b

= 12.4 * 8.8 = 109.12 cm^2

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Light travels at approximately 2.998 x 10^5km/s (correct to 4 significant figures. The distance between the Sun and the Earth is 1.495 X 10^8 km. How long would it take for light to travel from the Sun to the Earth? Give your answer in scientific notation correct to 3 significant figures.

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Light travels at approximately 2.998 x 10^5km/s (correct to 4 significant figures. The distance between the Sun and the Earth is 1.495 X 10^8 km. How long would it take for light to travel from
the Sun to the Earth? Give your answer in scientific notation correct to 3 significant figures.