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Popular >

simplify 4.2*10^{-1}

Solution

simplify

4.2 \cdot 1 0^{- 1}

Solution

0.42

Solution steps

4.2 \cdot 1 0^{- 1}

Apply exponent rule:

a^{- 1} = \frac{1}{a}

1 0^{- 1} = \frac{1}{10}

= 4.2 \cdot \frac{1}{10}

4.2 \cdot \frac{1}{10} = \frac{4.2}{10}

= \frac{4.2}{10}

Divide the numbers:

\frac{4.2}{10} = 0.42

= 0.42

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Frequently Asked Questions (FAQ)

What is 4.2*10^{-1} ?
The solution to 4.2*10^{-1} is 0.42