Question

Simplifies by using rules of exponents and writes its value in exponent form .
1 . solve the following problem.
1). simplify : ( 5/2 )5 divided by (2/5)3
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Answer 1

(vi)\: (-4)^{100}\times (-4)^{20}

can be simplified as

(-4)^{(100+20)}=(-4)^{120}

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