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Simplify:

i. 74 x 72

ii. (-11)3 x (-11)2

iii. (6/7)3 x (6/7)5

iv. (-3/2)5 x (-3/2)3

v. a16 x a7

vi (P/5)3 x (P/5)7

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Best answer

i. 74 x 72

= 74 + 2

= 76

ii. (-11)3 x (-11)2

= (-11)5 + 2

= (-11)7

iii. (6/7)3 x (6/7)5

= (6/7)3 + 5 = (6/7)8

iv. (-3/2)5 x (-3/2)3

= (-3/2)5 + 3 = (-3/2)8

v. a16 x a7

= a16 + 7

= a23

vi (P/5)3 x (P/5)7

= (P/5)3 + 7 = (P/5)10

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