Question

Evaluate the expression when a=1/4 and b=6.

16a to the power of 2 −4b=

Answer 1

Step-by-step explanation:

$16 \times { \frac{1}{2} }^{2} - 4 \times 6 \\ 16 \times \frac{1}{4} - 24 \\ 4 - 24 = - 20$