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If log_10 a = m, express the following in terms of a. 10^3m - Mathematics

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Question

If log10 a = m, express the following in terms of a.

103m

Sum
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Solution

Given: log10 a = m

To find: Express 103m in terms of a.

Calculation:

Step 1: From the given relation:

log10 a = m

⇒ a = 10m

Step 2: Raise both sides to the power of 3:

⇒ a3 = (10m)3

⇒ a3 = 103m

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Chapter 7: Logarithms - EXERCISE 7A [Page 72]

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B Nirmala Shastry Mathematics [English] Class 9 ICSE
Chapter 7 Logarithms
EXERCISE 7A | Q 5. (i) | Page 72
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