How to do this without a calculator:
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Answered by
1
8^x =1/64
→8^x = 8^-2
→x = -2 .
2^-5 × 10^-2
= 1/2^5 ×1/10^2
= 1/32×1/100
=1/3200
Anonymous:
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Answered by
2
1) 8^x= 1/64
= 8^x= 1/8^2/ 8^-2
hence..., x=-2
2)The second answer is given in the pic....
HOPE IT HELPS YOU DEAR....
= 8^x= 1/8^2/ 8^-2
hence..., x=-2
2)The second answer is given in the pic....
HOPE IT HELPS YOU DEAR....
Attachments:

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