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Scientific Notation
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100
345 hundredths
Write 3.45 as a number of hundredths.
100
0.07, 0.7, 0.707
Put these in order from least to greatest: 0.7, 0.07, 0.707.
100
18.3
Round 18.276 to the nearest tenth.
100
5.987
Add 5.08 + 0.907.
100
$7.25
A bill is $12.75 and you pay with $20.00. How much change do you receive?
100
3/4
Simplify 6/8.
100
0.6
Convert 3/5 to a decimal.
100
3/4
Which is larger: 2/3 or 3/4?
100
7/8
Add 1/2 + 3/8.
100
3/8 cup
A recipe uses 3/4 cup of sugar. If you make half the recipe, how much sugar is needed?
100
0.45
Convert 45% to a decimal.
100
12%
Convert 0.12 to a percent.
100
20
Find 25% of 80.
100
$6
A shirt costs $40 and is 15% off. What is the discount amount?
100
25%
A price rises from $50 to $62.50. What is the percent increase?
100
4.5 x 10^3
Write 4,500 in scientific notation.
100
0.00062
Write 6.2 x 10^-4 in decimal form.
100
2.9 x 10^6
Which is greater: 3.1 x 10^5 or 2.9 x 10^6?
100
6 x 10^5
Multiply (2 x 10^3)(3 x 10^2).
100
8 x 10^-7 meter
A bacterium is 0.0000008 meter long. Write this in scientific notation.
100
25%
Convert 1/4 to a percent.
100
1/8
Write 0.125 as a fraction in simplest form.
100
34
In a class of 40 students, 15% are absent. How many are present?
100
3/8, 0.39, 40%
Order from least to greatest: 3/8, 0.39, 40%.
100
20%
A budget item goes from 2.5 x 10^3 dollars to 3.0 x 10^3 dollars. What is the percent increase?