Question

Simplify using law of exponent of: (-7)4 ×(-7)3

Answer 1

Answer:

$(-7)^{4} × (-7)^{3}$

= $(-7)^{4+3}$

= $(-7)^{7}$

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__()()()()__

Step-by-step explanation:

Answer 2

Answer:

49^7

Step-by-step explanation:

a^n x a^m = a^m+n

with this law we simplify like

-7^4  x -7^3  =  (-7 x -7 )^4+3

square of  negative no is always positive

hence 49^7

 hope this helps

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