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Popular >

simplify (2.1)9*10^{-5}

Solution

simplify

(2.1) 9 \cdot 1 0^{- 5}

Solution

0.000189

Solution steps

(2.1) \cdot 9 \cdot 1 0^{- 5}

Apply rule:

(a) = a

(2.1) = 2.1

= 2.1 \cdot 9 \cdot 1 0^{- 5}

Multiply the numbers:

2.1 \cdot 9 = 18.9

= 18.9 \cdot 1 0^{- 5}

= 1 0^{- 5} \cdot 18.9

Apply exponent rule:

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

1 0^{- 5} = \frac{1}{1 0 ^{5}}

= \frac{1}{1 0 ^{5}} \cdot 18.9

1 0^{5} = 100000

= \frac{1}{100000} \cdot 18.9

\frac{1}{100000} \cdot 18.9 = \frac{18.9}{100000}

= \frac{18.9}{100000}

Divide the numbers:

\frac{18.9}{100000} = 0.000189

= 0.000189

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Frequently Asked Questions (FAQ)

What is (2.1)9*10^{-5} ?
The solution to (2.1)9*10^{-5} is 0.000189