Show:
Decimals
Fractions
Percents
Scientific Notation
Mixed Review
100
seven and forty-five hundredths
Write 7.45 in words.
100
0.75
Write 3/4 as a decimal.
100
0.42
Write 42% as a decimal.
100
36,000
Write 3.6 x 10^4 in standard form.
100
1/4 and 25%
Convert 0.25 to a fraction and percent.
200
18.8
Round 18.763 to the nearest tenth.
200
2/3
Simplify 12/18.
200
17%
Write 0.17 as a percent.
200
5.2 x 10^-4
Write 0.00052 in scientific notation.
200
1.25
Convert 125% to decimal form.
300
0.05, 0.5, 0.505
Order from least to greatest: 0.5, 0.05, 0.505.
300
1/2
Add 1/3 + 1/6.
300
12
Find 15% of 80.
300
8 x 10^5
Multiply: (2 x 10^3)(4 x 10^2).
300
80
Write 2/5 of 200.
400
8.72
Subtract: 12.5 - 3.78.
400
13/5
Change 2 3/5 to an improper fraction.
400
80%
36 is what percent of 45?
400
2 x 10^6
Divide: 6 x 10^8 by 3 x 10^2.
400
4,900
Which is closest to 4.9 x 10^3: 490, 4,900, or 49,000?
500
$21.35
A shirt costs $19.95 and tax is $1.40. What is the total?
500
5/8
Which is greater: 5/8 or 0.6?
500
24%
A price rises from $50 to $62. Find the percent increase.
500
6.9 x 10^-2
Which is larger: 7.1 x 10^-3 or 6.9 x 10^-2?
500
3 x 10^-6
A lab sample weighs 0.000003 grams. Write this in scientific notation.