Question

Evaluate the expression 3.14(a2 + ab) when a = 4 and b = 2. (Input decimals only, such as 12.71, as the answer.) will pick brainleiest!

Answer 1

75.36

Explanation:

3.14 (a2 + ab)

Substitute a = 4 and b = 2 into the equation:

3.14 (4^2 + 4*2)

= 3.14 (16 + 8)

= 3.14 (24)

= 75.36

Answer 2

75.36

Explanation:

=> (3.14)(a²+ab)

Putting a = 4, b = 2

=>
`(3.14)[(4)^2+(4)(2)]`

=>
`(3.14)(16+8)`

=>
`(3.14)(24)`

=> 75.36