Fractions & Decimals
What is 1/8 as a decimal?
Answer: 0.125
Evaluate:
-5.5 • 0.021
Answer: -0.1155
What is the value of the expression (356.42)^0
Answer: 1
Five out of six students said baseball was their favorite sport. What is the decimal equivalent of the number of students who chose baseball?
Answer: 5/6 = 0.8bar3
Write -7/100 as a decimal.
Answer: -0.07
Evaluate:
2/7 • (-7/9)
Answer: -2/9 or -0.bar2
What is the value of the expression (-7/10)^1
Answer: -7/10
A remote-control airplane is descending at a rate of 24.9 meters per second. After 3 1/2 seconds, what is its change in height?
Answer: -24.9 • 3 1/2 = -87.15 meters
Write 5/6 as a decimal.
Answer: 0.8bar3
Evaluate the expression:
(-1/2 + 1 1/8)•(2 2/3 - 3 1/3) • 7.5
Answer: -3.125 or -3 1/8
Write an equivalent expression:
(6^7)^4
Answer: 6^28
The temperature of a pot of water was 180.3°F and it changes at a rate of -2.5°F per minute. What is the temperature after 20 minutes?
Answer: (-2.5 • 20) + 180.3 = 130.3°F
What is 9/11 as a decimal?
Answer: 0.bar(81)
Evaluate the expression:
abs(-2 3/4 -(-15.2)) -:0.5-(-1)^3
Answer: 25.9
Write an expression equivalent to (-1.7)^10 • (-1.7)^2
Answer: (-1.7)^12
Trinity spent $147.22 over 8 1/2 months on treats for her pets. If she spent the same amount of money each month, how much money did she spend per month on treats for her pets?
Answer: 147.22 -: 8 1/2 = $17.32
Write 117.755 as a mixed number.
Answer: 117 151/200
Evaluate the expression:
12 -: 2 • abs(1 1/3 - 2 1/6)
Answer: 5
Write an expression equivalent to (4/5)^4
Answer: 4^4/5^4
Josie deposited $450.60 in a bank account at the beginning of the month. A payment of $35.20 is automatically deducted each month for her gym membership. If no other deposits or withdrawals are made, how much is in her account after four months?
Answer: 450.60 + (-35.20 • 4) = $309.80