The correct option is A 4^9By using law of exponent: a^m× a^n=a^m+n, here a is called base and m,n are called powers. If base is same then powers are added toge ...

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Byju's Answer

Standard VII

Mathematics

Power Law of Exponent

45× 44 is equ...

Question

$4^{5} \times 4^{4} is equal to$ .

4^{9}

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4^{8}

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4^{1}

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4^{7}

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Solution

The correct option is A $4^{9}$
By using law of exponent:
$a^{m} \times a^{n} = a^{m + n}$ , here $a$ is called base and $m, n$ are called powers. If base is same then powers are added together.
$∴$ $4^{5} \times 4^{4} = 4^{9}$

Suggest Corrections

45×44is equal to.

The correct option is A 49By using law of exponent: am×an=am+n, here a is called base and m,n are called powers. If base is same then powers are added together. ∴ 45×44=49

$4^{5} \times 4^{4} is equal to$ .

The correct option is A $4^{9}$
By using law of exponent:
$a^{m} \times a^{n} = a^{m + n}$ , here $a$ is called base and $m, n$ are called powers. If base is same then powers are added together.
$∴$ $4^{5} \times 4^{4} = 4^{9}$