math exam

What is the result of 38 − (−7) + (−11) − 20?

14

Arrange the following numbers from smallest to largest: 3/5, 0.98, 5/2, 10/21.

10/21, 3/5, 0.98, 5/2

Simplify: 10 − (−5) − (−4)2 + 13 + 3(5 − 8) − 52 + 7.

1/14

What is the equivalent fraction and percent for 0.075?

7.5% = 3/40

Write the equivalent decimal and percent for 5/32.

0.15625 = 15.625%.

Write 0.013% as a decimal.

0.00013

If Sami comes home with 1 3 of a cake and eats 1 5 of it, how much cake does she still have left?

2/15 of a cake.

Find the least common multiple (LCM) of 12, 16, and 20.

240

What is the result of multiplying −5(3)(−4)?

60

Find the greatest common factor (GCF) of 60, 75, 90, and 105.

15

Represent the shaded area in an improper fraction in lowest terms according to the figure.

11/4

Write 72 96 in lowest terms.

3/4

Determine the fractions equivalent to 5t 9.

50t/90, 10t2/18t, 30t/54.

Multiply: Write the answer in lowest terms for 28 15 ⋅(−30 49).

−8/7.

Divide and simplify: − 9 20 ÷ (− 4 15).

27/16

Add and write the answer in lowest terms: 5k 12 + 7 72.

30k + 7/72.

Convert 19 7 11 to an improper fraction.

216/11.

Round 5.73829 to the nearest hundredth.

5.74.

How much money did Jose spend if 19.45 gallons cost $2.809 per gallon?

$54.64.

Rewrite the ratio of 10 quarters to 3 dollars as a fraction in lowest terms.

5/6.

What is the rate of 630 part-timers to 120 full-timers as a fraction in lowest terms?

21 part-timers to 4 full-timers.

What is the unit price of $114.96 for 86 characters?

$1.34 per character.

What percent of his deliveries has Chris completed if he has completed 100 of 286 deliveries?

35%.

For the number –85, what is its opposite and absolute value?

opposite: 85, Absolute value: 85.

Write the two nearest integers to √70.

8 and 9.