Question

What expressions are equivalent to 10^-5x10^2

Answer 1

Answer:

Answer= D and E

Step-by-step explanation:

(for two powers multiplied together we add them)

$10^{-5}$×$10^{2}$

=$10^{-5+2}$

=$10^{-3}$

this is the same as:

=$\frac{1}{10^{3} } =\frac{1}{1000}$ (as $x^{-y}$ is the same as $\frac{1}{x^{y} }$)

or

$(\frac{1}{10})^{3}$ (as this is the same as $\frac{1}{10}$×$\frac{1}{10}$×$\frac{1}{10}$ which is equal to $\frac{1}{1000}$ the answer for the question)