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Decimals
Fractions
Percents
Scientific Notation
Mixed Review
100
7/10
Write 0.7 as a fraction in simplest form.
100
7/8
Compute 3/4 + 1/8.
100
0.35
Write 35% as a decimal.
100
4.5 x 10^6
Write 4,500,000 in scientific notation.
100
0.6, 62%, 5/8
Order 0.6, 5/8, and 62% from least to greatest.
200
4.25
Compute 3.45 + 0.80.
200
7/12
Compute 5/6 - 1/4.
200
62%
Write 0.62 as a percent.
200
7.2 x 10^-4
Write 0.00072 in scientific notation.
200
2
Compute 1.25 + 3/4.
300
80
Compute 5.6 / 0.07.
300
3/5
Compute (2/3)(9/10).
300
12
Find 15% of 80.
300
6 x 10^7
Compute (3 x 10^4)(2 x 10^3).
300
$8.10
Find an 18% tip on a $45 bill.
400
18.50
Round 18.496 to the nearest hundredth.
400
15/16
Compute (7/8) / (14/15).
400
$40
A $50 item is discounted 20%. What is the sale price?
400
4.2 x 10^4
Compute (8.4 x 10^6) / (2 x 10^2).
400
250,000
Write 2.5 x 10^5 in standard form.
500
$21.24
An item costs $24.99 and is discounted by $3.75. What is the sale price?
500
4 1/2 cups
A recipe needs 2 1/4 cups of flour. How much is needed to double it?
500
25%
A quantity increases from 36 to 45. What is the percent increase?
500
1.0 x 10^-2
Compute 6.2 x 10^-3 + 3.8 x 10^-3.
500
108
Find 3/5 of 240, then decrease the result by 25%.