Frac↔Dec
Pct Conv.
Pct Apps
Sci. Not.
Mixed Skills
100
0.75
Write 3/4 as a decimal.
100
0.45
Write 45% as a decimal.
100
16
Find 20% of 80.
100
4,200
Write 4.2 × 10^3 in standard form.
100
58%, 0.6, 5/8
Order from least to greatest: 0.6, 58%, 5/8.
200
1/8
Write 0.125 as a fraction in simplest form.
200
32%
Write 0.32 as a percent.
200
$15
A shirt is $50 with a 30% discount. What is the discount amount?
200
5.6 × 10^-4
Write 0.00056 in scientific notation.
200
1.6 and 160%
Convert 1 3/5 to a decimal and percent.
300
5/8
Which is greater: 5/8 or 0.6?
300
5/4
Write 125% as a fraction in simplest form.
300
30%
18 is what percent of 60?
300
6 × 10^6
Multiply (2 × 10^4)(3 × 10^2).
300
25%
A value changes from 40 to 50. What percent increase is this?
400
2.2
Convert 2 1/5 to a decimal.
400
35%
Write 7/20 as a percent.
400
$6
Sales tax is 8% on $75. What is the tax?
400
9.3 × 10^6
Write 9,300,000 in scientific notation.
400
4.5%
Express 0.045 as a percent.
500
0.60 or 3/5
Add 1/4 + 0.35.
500
2.5
Write 250% as a decimal.
500
25%
A population drops from 200 to 150. What percent decrease is this?
500
4 × 10^4
Divide (8 × 10^6)/(2 × 10^2).
500
602,000,000,000,000,000,000,000
A lab sample is 6.02 × 10^23 particles. About how many particles is that in standard form?
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