The correct options are A 14^3 B (2×7)^3By using law of exponents: a^m× b^m=(ab)^m nbsp; here a and b are base, and m is the exponent. nbsp;∴ 2^3×7^3=(2×7) ...

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Byju's Answer

Standard VII

Mathematics

Product Law of Exponent

23× 73 is equ...

Question

$2^{3} \times 7^{3}$ is equal to____.

14^{3}

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(2 \times 7)^{3}

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(\frac{1}{14})^{3}

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(2 \times 7)^{- 3}

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Solution

The correct options are
A $14^{3}$
B $(2 \times 7)^{3}$
By using law of exponents:
$a^{m} \times b^{m} = (a b)^{m}$
$here a and b are base, and m is the exponent$ .
$∴ 2^{3} \times 7^{3} = (2 \times 7)^{3}$
$= 14^{3}$

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(- 38) \times (- 23) - 73 \times 23 + 23 \times (- 66) - (- 23)

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Q. 73 exeeds a number by 23 what is the number?

2^{3} + 2^{3} + 2^{3} + 2^{3}

is equal to __________.

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23×73 is equal to____.

The correct options are A 143 B (2×7)3By using law of exponents: am× bm=(ab)m here a and b are base, and m is the exponent. ∴23×73=(2×7)3 =143

$2^{3} \times 7^{3}$ is equal to____.

The correct options are
A $14^{3}$
B $(2 \times 7)^{3}$
By using law of exponents:
$a^{m} \times b^{m} = (a b)^{m}$
$here a and b are base, and m is the exponent$ .
$∴ 2^{3} \times 7^{3} = (2 \times 7)^{3}$
$= 14^{3}$