Question

simplify and Express the result in power notation with positive exponent (a) (2) power -3 x (5) power -3​

Answer 1

Answer:

a. ( 1/2) power to 3 × (1/5) power to 3

as the powers are same so.

(1/2 × 1/5) raise to 3

(1/10) raised to 3 is the answer

hope it helps.. thank you

pls mark as brainliest if it is helpful..

Answer 2

$\huge\mathfrak\color{navy}{ \underline{ \color{navy}{★ \:Answer:-}}}$

${2}^{ - 3} \times {5}^{ - 3}$

$= (2 \times 5) {}^{ - 3} \: \: ( {a}^{m} \times {b}^{m} = (a \times b) {}^{m}$

$= {10}^{ - 3}$

Hence, answer is 10 power -3.