Decimals
Fractions
Percents
Relative Change
Scientific Notation
100
3.46
Round 3.456 to hundredths.
100
3/4
Simplify 6/8.
100
35%
Write 0.35 as a percent.
100
25% increase
From 40 to 50: percent change?
100
4.5 x 10^4
Write 45000 in scientific notation.
200
0.78
Compute 0.7 + 0.08.
200
1/2
Compute 1/3 + 1/6.
200
1/4
Write 25% as a fraction.
200
25% decrease
From 80 to 60: percent change?
200
0.0032
Write 3.2 x 10^-3 standard.
300
1
Compute 2.5 × 0.4.
300
5/8
Compute 3/4 − 1/8.
300
12
What is 15% of 80?
300
$36
After 20% off $45, price?
300
8 x 10^5
Compute (2x10^3)(4x10^2).
400
7
Compute 4.2 ÷ 0.6.
400
3/5
Compute 2/3 × 9/10.
400
25%
30 is what percent of 120?
400
15%
Original 200 grows to 230: change rate?
400
3 x 10^3
Compute (6x10^5)/(2x10^2).
500
7/200
Write 0.035 as a fraction simplified.
500
3/4
Compute (5/6) ÷ (10/9).
500
56
Increase 50 by 12%.
500
(new-old)/old x100%
Percent change formula (old to new)?
500
7.2 x 10^-5
Write 0.000072 in scientific notation.
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