Answer
d. \$121.
Work Step by Step
The formula for the future value is $(1+r)^N \times X$, where $r$ is the interest rate, $N$ is the number of years, and $X$ is the present value.
$r = 0.1$
$N = 2$
$X = 100$
$(1+0.1)^2 \times 100 = 1.21 \times 100 = 121$
The future value is \$121.