Question

What is the value of 19 + 5a4 – 3b2 when a = 2 and b = −4?

Answer 1

19 + 5a⁴ - 3b²
19 + 5(2)⁴ - 3(-4)²
19 + 5(16) - 3(16)
19 + 80 - 48
99 - 48
51