What is 1.56*10^{-20} ?

The solution to 1.56*10^{-20} is (39)/(25*10^{20)}

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simplify 1.56*10^{-20}

simplify

1.56 \cdot 1 0^{- 20}

\frac{39}{25 \cdot 1 0 ^{20}}

Decimal Notation

1.56 E - 20

Solution steps

1.56 \cdot 1 0^{- 20}

Apply exponent rule:

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

1 0^{- 20} = \frac{1}{1 0 ^{20}}

= 1.56 \cdot \frac{1}{1 0 ^{20}}

1.56 \cdot \frac{1}{1 0 ^{20}} = \frac{1.56}{1 0 ^{20}}

= \frac{1.56}{1 0 ^{20}}

\frac{1.56}{1 0 ^{20}} = \frac{156}{100 \cdot 1 0 ^{20}}

= \frac{156}{100 \cdot 1 0 ^{20}}

Factor the number:

156 = 4 \cdot 39

= \frac{4 \cdot 39}{100 \cdot 1 0 ^{20}}

Factor the number:

100 = 4 \cdot 25

= \frac{4 \cdot 39}{4 \cdot 25 \cdot 1 0 ^{20}}

Cancel the common factor:

4

= \frac{39}{25 \cdot 1 0 ^{20}}

533320000 \cdot e^{- 40000}

(75 t e^{- 500 t}) (25 t e^{- 500 t})

3 a^{2} b (4 a^{5} b^{3})

e^{- 5.05 x 1 0^{24}}

15 e^{- 250 t} \cdot 40 e^{- 250 t}