Question 2(iii)
Express the following numbers in usual form:
$3 \times 10^{- 8}$

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Solution

$3 \times 10^{- 8} = \frac{3}{10^{8}} [∵ a^{- m} = \frac{1}{a^{m}}] = 0.00000003$

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Similar questions

3 \times 10^{- 8}

3.02 \times 10^{- 6}

5.8 \times 10^{12}

Express the following numbers in usual form:
$3.61492 \times 10^{6}$

Question 2(ii)
Express the following numbers in usual form:
$4.5 \times 10^{4}$

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