Asked by panda

Simplify each expression.
a: 8^2 * 8^5
b: (-7^4)^2
c: 3^6/3^2
d: -4^9/4^6

My Answers:
a: 64 * 32,768
b: 2401^2
c: 27/9
d: -262144/256
Answered by henry2,
a. 8^7.
b. -7^8.
c. 3^4.
d.
Answered by henry2,
d. (-4)^9/4^6 = (-4)^3 * (-4)^6/4^6 = (-4)^3*4^6/4^6 = (-4)^3.

Note: (-4)^6 = 4^6 because the exponent(6) is an even number.
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