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Decimals
Fractions
Percents
Scientific Notation
Mixed Skills
100
0.75
Convert 3/4 to a decimal.
100
1.2
Write 12/10 as a decimal.
100
0.0045
Write 45/10,000 as a decimal.
100
4.50
Write 4.5 with two decimal places.
100
0.333...
Write the decimal form of 1/3.
100
5/8
Reduce 15/24 to simplest form.
100
7/4
Convert 1 3/4 to an improper fraction.
100
3/10
Add 1/5 + 1/10.
100
2/9
Subtract 5/9 - 3/9.
100
24/35
Multiply 6/7 by 4/5 and simplify.
100
25%
Convert 0.25 to a percent.
100
0.18
Convert 18% to a decimal.
100
60
What is 15% of 400?
100
80%
80 is what percent of 100?
100
15%
A price drops from $80 to $68. What is the percent decrease?
100
3.2 x 10^4
Write 32,000 in scientific notation.
100
0.00056 = 5.6 x 10^-4
Express 0.00056 in scientific notation.
100
7.1 x 10^3
Write 7,100 in scientific notation.
100
9.5 x 10^-2
Write 0.095 in scientific notation.
100
4.2 x 10^6
Write 4,200,000 in scientific notation.
100
18%
Convert 9/50 to a percent.
100
0.024
24 x 10^-3 as a decimal.
100
250,000
2.5 x 10^5 in standard form.
100
3/20
Convert 15% to a fraction in simplest form.
100
1.5 x 10^1
Write 15 in scientific notation.