What is (4x10^2)x(2.1x10^7) ?

The solution to (4x10^2)x(2.1x10^7) is 10^7*840x^3

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simplify (4x10^2)x(2.1x10^7)

simplify

(4 x 1 0^{2}) x (2.1 x 1 0^{7})

1 0^{7} \cdot 840 x^{3}

Solution steps

(4 x \cdot 1 0^{2}) x (2.1 x \cdot 1 0^{7})

Simplify

4 x \cdot 1 0^{2} : 400 x

= 400 xx \cdot 2.1 x \cdot 1 0^{7}

Multiply the numbers:

400 \cdot 2.1 = 840

= 840 xxx \cdot 1 0^{7}

Apply exponent rule:

aaa = a^{3}

xxx = x^{3}

= 840 x^{3} \cdot 1 0^{7}

= 1 0^{7} \cdot 840 x^{3}

2.14 \cdot 1 0^{- 3}

4 \cdot (1.6 \cdot 1 0^{- 3})

0.3 \cdot 2 (2)^{2 - 1}

(1 + y)^{- \frac{1}{2}}

2.78 \cdot 1 0^{- 2}

What is (4x10^2)x(2.1x10^7) ?
The solution to (4x10^2)x(2.1x10^7) is 10^7*840x^3