Question

simplify and write in exponential form :
(-8)^2 * (8)^-7​

Answer 1

Answer:

(8)^5

Step-by-step explanation:

(-8)^2x(8)^-7

=64x1/(8)^7

=(8)^5

Answer 2

Answer:

1/32768

Step-by-step explanation:

Simplify the following:

(-8)^2/8^7

we know (-8)^2 = 64:

64/8^7

we know 8^7 = 8×8^6 = 8 (8^3)^2 = 8 (8×8^2)^2:

=64/(8 (8×8^2)^2)

=64/(8 (8×64)^2)

=64/(8×512^2)

=64/(8×262144)

=64/2097152

=(64×1)/(64×32768)

= 1/32768: