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Decimals
Fractions
Percents
Scientific Notation
Mixed
100
2/5
Write 0.4 as a fraction simplified.
100
3/4
Simplify 6/8.
100
0.25
Write 25% as a decimal.
100
4.5 x 10^6
Write 4,500,000 in scientific notation.
100
8%
Write 0.08 as a percent.
200
1.55
Compute 1.2 + 0.35.
200
1/2
Compute 1/3 + 1/6.
200
9
Find 20% of 45.
200
7.2 x 10^-4
Write 0.00072 in scientific notation.
200
25% decrease
A price 200 to 150: percent change?
300
3.15
Round 3.146 to hundredths.
300
5/8
Compute 3/4 - 1/8.
300
25%
15 is what percent of 60?
300
3100
Convert 3.1 x 10^3 to standard form.
300
0.7
Order: greater, 0.7 or 2/3?
400
0.018
Compute 0.06 × 0.3.
400
3/5
Compute 2/3 × 9/10.
400
92
Increase 80 by 15%.
400
8 x 10^5
Multiply (2 x 10^3)(4 x 10^2).
400
0.010
Round 0.00996 to thousandths.
500
0.625
Write 5/8 as a decimal.
500
3/4
Compute 5/6 ÷ 10/9.
500
30% increase
Percent change 50 to 65.
500
2 x 10^5
Divide (6 x 10^7)/(3 x 10^2).
500
3/25
Express 12% as simplified fraction.