What is (4.5*10^{21})(1.602*10^{-19}) ?

The solution to (4.5*10^{21})(1.602*10^{-19}) is 720.9

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simplify (4.510^{21})(1.60210^{-19})

simplify

(4.5 \cdot 1 0^{21}) (1.602 \cdot 1 0^{- 19})

720.9

Solution steps

(4.5 \cdot 1 0^{21}) (1.602 \cdot 1 0^{- 19})

Apply exponent rule:

a^{b} \cdot a^{c} = a^{b + c}

1 0^{21} \cdot 1 0^{- 19} = 1 0^{21 - 19}

= 4.5 \cdot 1.602 \cdot 1 0^{21 - 19}

Subtract the numbers:

21 - 19 = 2

= 4.5 \cdot 1.602 \cdot 1 0^{2}

Multiply the numbers:

4.5 \cdot 1.602 = 7.209

= 1 0^{2} \cdot 7.209

1 0^{2} = 100

= 100 \cdot 7.209

Multiply the numbers:

7.209 \cdot 100 = 720.9

= 720.9

2 e^{- l n (6)}

1.252 \cdot 1 0^{- 3}

4 e^{- 1.5}

\frac{5}{6} (0.5 - 1)^{- 2}

What is (4.5*10^{21})(1.602*10^{-19}) ?
The solution to (4.5*10^{21})(1.602*10^{-19}) is 720.9