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Multiplication of a Monomial by a Monomial

If x =2, y =5...

Question

If $x = 2, y = 5 a n d z = 4$ Find the value of:

$z^{x} \times y$

A

15

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B

80

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C

16

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D

60

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Solution

The correct option is B 80
Given,
$x = 2, y = 5 a n d z = 4$
$z^{x} = 4^{2} = 16$
$z^{x} \times y = 16 \times 5 = 80$

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