Question

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Answer 1

1) 6

2) 63 15/16

Explanation:

1)

= 6^9 / 6^8

= 6^(9-8)

= 6^1

= 6

2)

= 2^6 - 4^5 * 4^-7

= 2^6 - 4^-2

= 2^6 - 1/4^2

= 64 - (1/16)

= (1024 - 1) / 16

= 1023/16

= 63 15/16