Answer:
9e+4=8e+14
1e+4=14
-4
1e=10
e=10
Step-by-step explanation:
Answer:
$30.5
Step-by-step explanation:
56 ounces (3 pounds and 8 ounces since 1 pound = 8 ounces) x 0.5 = 28
28 + 2.5 = 30.5
Numerical expressions use numbers and algebraic expressions use variables.
Answer:
1/49
Step-by-step explanation:
1/7 to the 2nd power = (1/7)^2 = 1/7 • 1/7 = 1/49
Answer: 4 and 8
Step-by-step explanation:
1. 12+7x=40
7x=28
x=4
2. 6x-3=45
6x=48
x=8