Answer:
28%
Step-by-step explanation:
78th percentile means 78% scored less than/equal to you.
100 - 78 = 22%
a.) $3.20
b.) $102.40
$3,276.80
0.2 times 2 five times is 3.2
0.2 times 2 ten times is 102.4
0.2 times 2 fifteen times is 3,276.8
dont know what the expressions are but imma just guess its doing scientific notation, 8.73 x 10^-11
