What is 4*10^{-7}*(21)/(0.5)*1000 ?

The solution to 4*10^{-7}*(21)/(0.5)*1000 is 21/1250

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simplify 410^{-7}(21)/(0.5)*1000

simplify

4 \cdot 1 0^{- 7} \cdot \frac{21}{0.5} \cdot 1000

\frac{21}{1250}

Decimal Notation

0.0168

Solution steps

4 \cdot 1 0^{- 7} \cdot \frac{21}{0.5} \cdot 1000

Apply exponent rule:

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

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

= 4 \cdot \frac{1}{1 0 ^{7}} \cdot \frac{21}{0.5} \cdot 1000

1 0^{7} = 10000000

= 4 \cdot \frac{1}{10000000} \cdot \frac{21}{0.5} \cdot 1000

4 \cdot \frac{1}{10000000} \cdot \frac{21}{0.5} \cdot 1000 = \frac{21}{1250}

= \frac{21}{1250}

\frac{7}{5} \cdot \frac{5}{5}

1.2 x 1 0^{- 5}

e^{- 2.3} \cdot 2.3

What is 4*10^{-7}*(21)/(0.5)*1000 ?
The solution to 4*10^{-7}*(21)/(0.5)*1000 is 21/1250