Question

simplify :
(-7)⁵÷(-7)⁸​

Answer 1

Answer:

-1/343= -0.00291545

Step-by-step explanation:

=(-7)^(5-8)

=(-7)^(-3)

=1/(-7)^3

= -1/343

Answer 2

Answer:

$\frac{ - 1}{ {7}^{3} }$

Step-by-step explanation:

If you remember Exponents rule then it will help you to solve these kind of problems.

For a ≠ 0, b ≠ 0

Quotient Rule :

$a {}^{x} \div {a}^{y} = a {}^{x - y}$

$\frac{ - 7 {}^{5} }{ - 7 {}^{8} } = { - 7}^{5 - 8} = { - 7}^{3} = \frac{1}{ - 7 {}^{3} } = \frac{ - 1}{ {7}^{3} }$

= –1/343