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Decimal ↔ Fraction
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100
0.75
Convert 3/4 to a decimal.
100
0.45
Write 45% as a decimal.
100
6.2 × 10^6
Write 6,200,000 in scientific notation.
100
35%, 0.4, 2/5 (0.4 and 2/5 are equal)
Order from least to greatest: 35%, 0.4, 2/5.
100
$10
Find 20% of $50.
200
1/8
Convert 0.125 to a fraction in simplest form.
200
32%
Write 0.32 as a percent.
200
4.9 × 10^-4
Write 0.00049 in scientific notation.
200
0.62
Which is greatest: 0.62, 61%, or 3/5?
200
37.5%
A class of 40 has 15 who prefer online lessons. What percent is that?
300
7.5
Write 7 1/2 as a decimal.
300
60%
Write 3/5 as a percent.
300
340,000
Write 3.4 × 10^5 in standard form.
300
0.012
Write 1.2% as a decimal.
300
1/2
A battery lasts 2.5 hours. Write this as a fraction of 5 hours.
400
3/8
Convert 0.375 to a fraction in simplest form.
400
1.25
Write 125% as a decimal.
400
4.9 × 10^5
Which is greater: 5.1 × 10^4 or 4.9 × 10^5?
400
5/2
Write 250% as a fraction in simplest form.
400
1.27 × 10^4
The population of a town is about 12,700. Write in scientific notation.
500
7/8
Which fraction equals 0.875?
500
30%
18 is what percent of 60?
500
6 × 10^5
Multiply (2 × 10^3)(3 × 10^2).
500
5.6 × 10^-3
Write 0.0056 in scientific notation.
500
$68
A store discounts an $80 item by 15%. What is the new price?