How do you evaluate $(2.13 \times 10^{2}) (3 \times 10^{5})$ $(2.13times10^2)(3times10^5)$ ?

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How do you evaluate $(2.13 \times 10^{2}) (3 \times 10^{5})$ $(2.13times10^2)(3times10^5)$ ?

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Answer 1 · 2017-08-06T08:14:49

$63900000$ $63900000$

Explanation:

$separate the product as follows$ $"separate the product as follows"$

$(2.13 \times 3) \times 10^{2} \times 10^{5}$ $(2.13xx3)xx10^2xx10^5$

$using a^{m} \times a^{n} = a^{(m + n)}$ $"using "a^mxxa^n=a^((m+n))$

$= 6.39 \times 10^{(2 + 5)} = 6.39 \times 10^{7}$ $=6.39xx10^((2+5))=6.39xx10^7$

$shift the decimal point 7 places to the right$ $"shift the decimal point 7 places to the right"$

$= 63900000$ $=63900000$

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How do you evaluate $(2.13 \times 10^{2}) (3 \times 10^{5})$ $(2.13times10^2)(3times10^5)$ ?

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How do you evaluate $(2.13 \times 10^{2}) (3 \times 10^{5})$ $(2.13times10^2)(3times10^5)$ ?