Evaluate: 4x×8y when =2 and y=4

Step-by-step explanation:

4x×8y

and x =2 and y=4

pit the values of x and y in above equation we get

4(2)×8(4)

now multiply

8×32

256

256

Step-by-step explanation:

First off, when you replace a variable with a number, you have to put it in parenthesis.

If x=2 and y=4, the equation would look like this:

4(2) × 8(4)

If we remember PEMDAS, parenthesis comes first. Meaning you have to multiply 4 and 2 first (because you always go from left to right when you have two of the same operation). Then , the expression would look like this:

8 × 32

= 256

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step-by-step explanation:

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