If Log X = a and Log Y = B, Write Down 10a-1 in Terms of X

If log x = a and log y = b, write down
10^a-1 in terms of x

Sum

10^a-1 in terms of x
log x = a
⇒ x = 10^a
∴ 10^a-1
= `(10^"a")/(10) = x/(10)`.

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Chapter 7: Logarithms - Exercise 10.2

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