08.01.2021

simplify 2 to the power of 5 over 3 to the power of 2 to the power of 4

. 5

Faq

Mathematics
Step-by-step answer
P Answered by PhD

1. 1 over 5 to the power of 3

Step-by-step explanation:

So we simply subtract the exponents. 5 - 8 = -3 and since it is a negative exponent that means it is part of the denominator

\frac{5^{5} }{5^{8} } = \frac{1}{5^{3} }

Mathematics
Step-by-step answer
P Answered by PhD

1. 1 over 5 to the power of 3

Step-by-step explanation:

So we simply subtract the exponents. 5 - 8 = -3 and since it is a negative exponent that means it is part of the denominator

\frac{5^{5} }{5^{8} } = \frac{1}{5^{3} }

Mathematics
Step-by-step answer
P Answered by PhD

4. 1 over the 9 to the power of 5

Step-by-step explanation:

When you divide exponents with the same bases, you essentially subtract the exponents. So 9^2 / 9^7 = 9^-5. To change to a positive exponent, take the reciprocal. 9^-5 = 1 / 9^5

Mathematics
Step-by-step answer
P Answered by PhD

4. 1 over the 9 to the power of 5

Step-by-step explanation:

When you divide exponents with the same bases, you essentially subtract the exponents. So 9^2 / 9^7 = 9^-5. To change to a positive exponent, take the reciprocal. 9^-5 = 1 / 9^5

Mathematics
Step-by-step answer
P Answered by PhD

x to the power of negative 3 multiplied by y to the power of negative 12, the whole over x to the power of 15 multiplied by y to the power of negative 15.

Step-by-step explanation:

Given is expression below to be simplified:

(xy⁴/x⁻⁵y⁵)⁻³

The step in simplifying is the power of the power, which is equal to product of powers: (xᵃ)ᵇ = xᵃᵇ. So, power of  -3 of the whole equals to:

(x⁻³y⁻¹²)/(x¹⁵y⁻¹⁵)

This expression is same as the last option:

x to the power of negative 3 multiplied by y to the power of negative 12, the whole over x to the power of 15 multiplied by y to the power of negative 15.

So, this is the correct one.

Mathematics
Step-by-step answer
P Answered by PhD

x to the power of negative 3 multiplied by y to the power of negative 12, the whole over x to the power of 15 multiplied by y to the power of negative 15.

Step-by-step explanation:

Given:

(\frac{xy^4}{x^{-5}y^5} )^{-3}

We need to simplify the equation.

As while solving these kind of problems, keep in mind the following Law on Indices:

1. (a^m)^n=a^{mn}

Applying the same we get;

\frac{x^{-3}(y^4)^{-3}}{(x^{-5})^{-3}(y^5)^{-3}}\\\\\frac{x^{-3}y^{4\times-3}}{x^{-5\times-3}y^{5\times-3}} \\\\\frac{x^{-3}y^{-12}}{x^{15}y^{-15}}

Final

x to the power of negative 3 multiplied by y to the power of negative 12, the whole over x to the power of 15 multiplied by y to the power of negative 15.

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