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Popular >

simplify 1.21*10^{-7}

Solution

simplify

1.21 \cdot 1 0^{- 7}

Solution

0.000000121

Solution steps

1.21 \cdot 1 0^{- 7}

Apply exponent rule:

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

1 0^{- 7} = \frac{1}{1 0 ^{7}}

= 1.21 \cdot \frac{1}{1 0 ^{7}}

1 0^{7} = 10000000

= 1.21 \cdot \frac{1}{10000000}

1.21 \cdot \frac{1}{10000000} = \frac{1.21}{10000000}

= \frac{1.21}{10000000}

Divide the numbers:

\frac{1.21}{10000000} = 0.000000121

= 0.000000121

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Frequently Asked Questions (FAQ)

What is 1.21*10^{-7} ?
The solution to 1.21*10^{-7} is 0.000000121