Decimals
Fractions
Percents
Relative/Convert
Scientific Notation
100
2/5
Write 0.4 as a fraction simplified.
100
3/4
Simplify 6/8.
100
0.25
Write 25% as decimal.
100
60%
Write 3/5 as a percent.
100
4.5 x 10^3
Write 4500 in scientific notation.
200
3.15
Round 3.146 to hundredths.
200
1/2
1/3 + 1/6
200
12
15% of 80
200
25% increase
Percent change 40 to 50.
200
0.032
Convert 3.2 x 10^-2 to decimal.
300
1.55
Compute 1.2 + 0.35.
300
5/8
3/4 - 1/8
300
7%
Write 0.07 as a percent.
300
170
Decrease 200 by 15%.
300
8 x 10^5
Multiply (2x10^3)(4x10^2).
400
0.12
Compute 0.6 × 0.2.
400
3/5
2/3 × 9/10
400
55
Increase 50 by 10%.
400
25% decrease
Percent change 60 to 45.
400
3 x 10^3
Divide (6x10^5)/(2x10^2).
500
50
Divide 4.5 by 0.09.
500
3/4
Divide 5/6 by 10/9.
500
75%
What percent is 18 of 24?
500
$100
After 20% discount price $80; original?
500
5.07 x 10^-4
Express 0.000507 in scientific notation.
M
e
n
u