1. Simplify using laws of exponents:
(a) 25³÷ 5 power 6
(b) (7 power 15 ×7 power 5)÷7 power 9
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a)25³÷5⁶
=(5²)³÷5⁶.
=5²*³÷5⁶
=5⁶÷5⁶
=5power6-6
=5⁰
=1
b)(7power15×7⁵)÷7⁹
=(7power15+5)÷7⁹
= 7 power 20÷7⁹
=( 7) power 20-9
=7power11
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Answer:
7 ¹¹ this is answered
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