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Decimals
Fractions
Percents
Scientific Notation
Mixed Review
100
9/20
Write 0.45 as a fraction in simplest form.
100
0.75
Write 3/4 as a decimal.
100
0.65
Write 65% as a decimal.
100
4.5 × 10^4
Write 45,000 in scientific notation.
100
12.5%
Write 0.125 as a percent.
200
3.756
Compute 3.7 + 0.056.
200
3/4
Simplify 18/24.
200
8%
Write 0.08 as a percent.
200
0.0032
Write 3.2 × 10^-3 in standard form.
200
140
Find 2/5 of 350.
300
0.059, 0.509, 0.59
Order least to greatest: 0.509, 0.59, 0.059.
300
3/2 or 1 1/2
Compute 2/3 + 5/6.
300
36
Find 15% of 240.
300
8 × 10^5
Multiply (2 × 10^3)(4 × 10^2).
300
9.2 × 10^-4
Write 0.00092 in scientific notation.
400
0.125
Write 12.5% as a decimal.
400
2/3
Compute (7/8)(16/21).
400
30%
18 is what percent of 60?
400
2 × 10^5
Compute (6 × 10^7) ÷ (3 × 10^2).
400
15%
A value rises from 80 to 92. What is the percent increase?
500
4.38
Round 4.3769 to the nearest hundredth.
500
7 1/2 or 15/2
Compute 4 1/2 ÷ 3/5.
500
$60
A $75 item is discounted 20%. What is the sale price?
500
5.04 × 10^7
Which is greater: 5.4 × 10^6 or 5.04 × 10^7?
500
5.4 × 10^5 or 540,000
A town of 4.8 × 10^5 people grows by 12.5%. What is the new population?