Decimals
Fractions
Percents
Scientific Notation
Mixed Change
100
0.75
Compute 0.4 + 0.35.
100
3/4
Simplify 6/8.
100
0.35
Write 35% as a decimal.
100
4.5 x 10^3
Write 4,500 in scientific notation.
100
55
Increase 50 by 10%.
200
1.35
Compute 3.2 - 1.85.
200
3/4
Compute 1/2 + 1/4.
200
16
Find 20% of 80.
200
6.2 x 10^-3
Write 0.0062 in scientific notation.
200
25% increase
From 40 to 50: percent change?
300
0.018
Compute 0.6 x 0.03.
300
3/5
Compute 2/3 x 9/10.
300
25%
12 is what percent of 48?
300
6 x 10^7
Compute (2 x 10^3)(3 x 10^4).
300
25% decrease
From 80 to 60: percent change?
400
30
Compute 4.5 / 0.15.
400
7/12
Compute 5/6 - 1/4.
400
138
Increase 120 by 15%.
400
4 x 10^3
Compute (8 x 10^5)/(2 x 10^2).
400
0.375
Convert 3/8 to decimal.
500
2.35
Round 2.347 to hundredths.
500
2
Compute 1 1/2 / 3/4.
500
25%
Percent decrease 200 to 150.
500
0.071
Write 7.1 x 10^-2 as decimal.
500
4.5%
Convert 0.045 to percent.
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