16.12.2020

Which of the following exponential is equivalent to the logarithmic equation below? logb x = a

A. X=a^b
B. X=ax^b
C. X=bx^a
D. X=b^a

. 0

Step-by-step answer

09.07.2023, solved by verified expert

Faq

Mathematics
Step-by-step answer
P Answered by PhD

A logarithmic function without a subscript means that it must be log base 10.

\log_{10}987=a

When learning about logarithms, a textbook/teacher provides their students with the following general equations

\log_yx=z

y^z=x

Hopefully you are familiar with this. Using the equations that I just showed, we can change the equation \log_{10}987=a to 10^a=987

This would make answer choice C correct.

Mathematics
Step-by-step answer
P Answered by PhD

A logarithmic function without a subscript means that it must be log base 10.

\log_{10}987=a

When learning about logarithms, a textbook/teacher provides their students with the following general equations

\log_yx=z

y^z=x

Hopefully you are familiar with this. Using the equations that I just showed, we can change the equation \log_{10}987=a to 10^a=987

This would make answer choice C correct.

Mathematics
Step-by-step answer
P Answered by PhD
Choice A) e^c = 4

In general if we had something like x = ln(y), then it is equivalent to e^x = y or y = e^x. The Ln is a natural log that is the inverse of the base e exponent. It's a special kind of log.

In this case, x = c and y = 4

So we go from c = ln(4) to e^c = 4

note: Logs are often used to solve for equations with variables in the exponent.

Mathematics
Step-by-step answer
P Answered by PhD
You have no exponential functions listed to choose from, but in this problem it is understood that the base of the log is 10 because it is not stated otherwise and a base of 10 is the "norm" for logs. So rewritten with that in mind, you have log base 10 (784)=a. In exponential form, that looks like this: 10^a=784. You could solve for a by typing in "log(784)" into your calculator to get that the exponent is equal to 2.894316063.  If you raise 10 to that power you get 784.
Mathematics
Step-by-step answer
P Answered by PhD

10^a=982

Step-by-step explanation:

Given : \log 987 = a

To Find: Which exponential equation is equivalent to the logarithmic equation below?

Solution:

\log 987 = a

\log_{10} 987 = a

10^{\log_{10} 982} = 10^a ---1

Now using property : a^{\log_{a}x} = x

So, comparing 1 with property

982 = 10^a

Thus Option B is correct.

Hence 10^a=982 exponential equation is equivalent to the logarithmic equation below

Mathematics
Step-by-step answer
P Answered by Master
The answer is C because when a log does not show a base you are to assume the base is 10
Mathematics
Step-by-step answer
P Answered by Master

ANSWER

x = {e}^{4}

EXPLANATION

The given logarithmic expression is

4 =  ln(x)

We take antilogarithms to obtain:

{e}^{4}  = {e}^{ ln(x) }

This simplifies to give us

{e}^{4} = x

Or

x  = {e}^{4}

Mathematics
Step-by-step answer
P Answered by PhD

c. e^c=2

Step-by-step explanation:

c=ln2 \\e^{c} = e^{ln2 } \\e^{c} =2

Mathematics
Step-by-step answer
P Answered by Specialist
Log 300 = a
Can be written an an exponential equation 10^a = 300

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