Integer Operations
Find the product:
9 times (-6)
-54
Write 7/8 as a decimal.
0.875
Find ∣−8.45∣
8.45
Compare using < or >: 1.8 ____ −2.6.
>
Evaluate: (−3)³ + 5²
-2
Find the product: (−4)(−11)
44
Write 1/12 as decimal.
\(0.8\overline{3}\)
Find ∣−72.35∣
72.35
Compare using < or >: 1.7 ____ 1 3/4
<
Evaluate: [3(−1.2) + 2]²
2.56
A student withdraws $18 on 5 different days. Find the total change in the account balance.
-$90
Determine whether each number is rational or not rational: (a). \(-14.\overline{25}\)
(b). 7.10394826 (c). 64.
All three are rational
Find ∣2 1/4 ∣
2 1/4
Find the product: −4.5 × 0.024
-0.108
A pot of water has a temperature of 175.5°F and cools at −3°F per minute. What is its temperature after 15 minutes?
130.5°F
Simplify:
(-9/4) div (-3/4)
3
Simplify:
3(1/2) + 3(-1/6)
1
One person is 76 feet below sea level and another is 76 feet above sea level. Who is farther from sea level? Explain.
Neither. Both are 76 feet from sea level.
Find ∣3.75∣
3.75
Evaluate: [3(−1/3) + 2(−1/4)]³.
-27/8 or -3 3/8 or -3.375
Simplify:
-2 1/4 div (-1 1/2)
3/2 or 1 1/2 or 1.5
Find the product:
-1 1/2 times (-2 2/3)
4
A person goes up 9 floors and then comes down 5 floors. What is the overall change in floor level?
4 floors
Order these numbers from least to greatest:
-1 1/4, 2 1/2, 1, -2 1/3, 1 3/4
-2 1/3, -1 1/4, 1 , 1 3/4 , 2 1/2
Mikayla withdraws $15 on 6 different days during a week. Find the total change in her account balance.
-$90