Question

40 + 2b3 when b = 5 and c= 1.2

Answer 1

9514 1404 393

Answer:

  254.8

Step-by-step explanation:

Substitute the numbers where the variables are and do the arithmetic.

  4c +2b³ = 4(1.2) +2(5³) = 4.8 +250 = 254.8

__

It can also work to let a calculator or spreadsheet do the math for you, once you specify the function.