Answer !
evaluate the expression 7x2y, when x = 5 and y = 3.
a 210
b 315
c 525
d 728

c

Step-by-step explanation:

given the expression

7x²y

to evaluate substitute x = 5 and y = 3 into the expression

= 7 × 5² × 3

= 7 × 25 × 3 = 175 × 3 = 525 → c

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step-by-step explanation:

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