Decimals
Fractions
Percents
Scientific Notation
Mixed Applications
100
7/20
Write 0.35 as a fraction in simplest form.
100
3/4
Simplify 6/8.
100
0.25
Write 25% as a decimal.
100
4.5 × 10^3
Write 4,500 in scientific notation.
100
8
Find 10% of 80.
200
1.29
Compute 1.2 + 0.09.
200
3/4
Compute 1/2 + 1/4.
200
60%
Write 3/5 as a percent.
200
0.032
Write 3.2 × 10^(-2) in standard notation.
200
60
A price 50 increases 20%. New price?
300
0.024
Compute 0.6 × 0.04.
300
3/5
Compute 2/3 × 9/10.
300
30
What is 15% of 200?
300
6 × 10^7
Compute (2 × 10^3)(3 × 10^4).
300
25% increase
Percent change from 40 to 50?
400
3.15
Round 3.146 to the hundredths.
400
1/2
Compute 5/6 - 1/3.
400
25%
30 is what percent of 120?
400
4 × 10^3
Compute (8 × 10^5)/(2 × 10^2).
400
1/8
0.125 as a fraction simplified.
500
15
Divide 4.5 by 0.3.
500
9/8
Divide 3/4 by 2/3.
500
81
After a 10% discount on 90, what is price?
500
5.6 × 10^-4
Write 0.00056 in scientific notation.
500
25% decrease
Percent change from 80 to 60?
M
e
n
u