What is (3x10^8)(6.8x10^{-13}) ?

The solution to (3x10^8)(6.8x10^{-13}) is (20.4x^2)/(10^5)

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simplify (3x10^8)(6.8x10^{-13})

simplify

(3 x 1 0^{8}) (6.8 x 1 0^{- 13})

\frac{20.4 x ^{2}}{1 0 ^{5}}

Solution steps

(3 x \cdot 1 0^{8}) (6.8 x \cdot 1 0^{- 13})

Simplify

6.8 x \cdot 1 0^{- 13} : \frac{6.8 x}{1 0 ^{13}}

= 3 x \cdot 1 0^{8} \cdot \frac{6.8 x}{1 0 ^{13}}

Apply the fraction rule:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{3 x \cdot 1 0 ^{8} \cdot 6.8 x}{1 0 ^{13}}

Apply exponent rule:

aa = a^{2}

xx = x^{2}

= \frac{3 x ^{2} \cdot 1 0 ^{8} \cdot 6.8}{1 0 ^{13}}

Cancel

\frac{3 x ^{2} \cdot 1 0 ^{8} \cdot 6.8}{1 0 ^{13}} : \frac{3 x ^{2} \cdot 6.8}{1 0 ^{5}}

= \frac{3 x ^{2} \cdot 6.8}{1 0 ^{5}}

Multiply the numbers:

3 \cdot 6.8 = 20.4

= \frac{20.4 x ^{2}}{1 0 ^{5}}

e^{- 4.2}

\frac{( x + 5 ) ( 2 x + 4 - x ^{2} )}{( x + 3 )}

e^{- 4.9}

((10)^{2} + (7)^{2} + (7)^{2})^{2}

e^{- 2 s t} \cdot t

What is (3x10^8)(6.8x10^{-13}) ?
The solution to (3x10^8)(6.8x10^{-13}) is (20.4x^2)/(10^5)