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Write the number in standard form. (3x104) + (7× 10² The standard form of (3 x 104) + (7 x 102) is
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Write the number in standard form. (3x104) + (7× 10² The standard form of (3 x 104) + (7 x 102) is

User Edward Ross
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1 Answer

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=2.1*10^7\text{ standard form}

Step-by-step explanation:

(3x10^4) + (7× 10²)

Simplify:


=3*7*10^4*10^2
\begin{gathered} =\text{ 21 }*10^(4+2) \\ =\text{ 21 }*10^6 \\ =\text{ 2.1 }*10^1*10^6\text{ = 2.1 }*10^(6+1) \\ =2.1*10^7 \end{gathered}

User Guillem Cucurull
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