Question

If log10 7 = a, then log10 (1/70) is equal to:

a.

- (1 + a)

b.

(1 + a)-1

c.

a


10

d.

1


10a

Posted under Aptitude

Answer: (a).- (1 + a)

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Q. If log10 7 = a, then log10 (1/70) is equal to:

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