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Question

If log10x=2a and log10y=b2, then 102b+1 in terms of y is 10ym. So the value of m is equal to

A
4
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B
2
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C
3
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D
1
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Solution

The correct option is A 4
log10y=b2y=10b2102b+1=10b2×410=y4.10=10y4
10ym=10y4
So, m=4

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