Question

Exponents

Solve this-

Answer 1

1st part, ( -1) power 72, which is equal to 1 and 2nd part, 67 power 4/ 67 power 3, which is equal to 67.

Answer 2

Here in 1st ques..
[(-1)∧9]∧8
= (-1)∧9*∧8            using (a∧p)∧q= a∧p*q
= (-1)∧64
=1


now in second ques
 
67∧4 * 1/67∧3

67(∧4-∧3)            using a∧p÷a∧q= (a)∧p-∧q

=67

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