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Help Please? Thank you Evaluate the expression 3.14(a2 + ab) when a = 4 and b = 2. (Input decimals only.)

Help Please? Thank you Evaluate the expression 3.14(a2 + ab) when a = 4 and b = 2. (Input decimals only.)
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4 votes
Help Please? Thank you

Evaluate the expression 3.14(a2 + ab) when a = 4 and b = 2. (Input decimals only.)

User Hamed Jaliliani
by
8.5k points

2 Answers

4 votes
3.14(4x2+4x2)
3.14(8+4x2)
3.14(8+8)
3.14x16
50.24 is the answer! The work is above. I hope this helps!
User Jschroedl
by
8.3k points
3 votes
Hey there!
Here's you your answer: 75.36
How i got it: *image attached*
Hope this helps!
User Xenon
by
8.2k points
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