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Question
Express the following in exponential form:
log10 0.0001 = –4
Sum
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Solution
Given: log10 0.0001 = –4
Step-wise calculation:
By definition logab = c ⇔ ac = b,
So here 10–4 = 0.0001.
Check:
10–1 = 0.1
10–2 = 0.01
10–3 = 0.001
10–4 = 0.0001
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