Round/Metric/Algebra
Round the following numbers to the nearest tenth and nearest ten.
a. 256.88
b. 372.706
c. 625.9
d. − 29.215
a. 256.9, 260
b. 372.7, 370
c. 625.9, 630
d. -29.2, -29
Write as a fraction in lowest terms.
0.86
43/50
Evaluate the following expressions.(Type an integer or a simplified fraction.)
a. 5/9 X 3/4
b. 4/6 X 1/2
a. 5/12
b. 1/3
Express the given percentage as a reduced fraction and as a decimal.
20%
1/5
.2
Simplify the following expression.
57 ÷ 53
57 ÷ 53 = (Type an integer or a simplified fraction.)
54 = 625
Round the monetary amount $93.962 to the nearest dollar and to the nearest cent
a. $94
b. $93.96
Write each of the following as a common fraction.
a. 1.75
b. 0.85
a. 7/4
b. 17/20
Express the given fraction as a decimal and a percentage.
a. 3/8
.375
37.5%
Maria's company has 909 employees, Ruth's company has 788 employees. 909 is what percent of 788? Round to the nearest tenth of a percent.
A. 86.7%
B. 115.4%
C. 0.1%
D. 1.2%
b. 115.4%
Evaluate the following expression.
641/2
a. 641/2 is a real number. 641/2 =
b. 641/2 is a not real number. 641/2 =
a. a. 641/2 is a real number. 641/2 = 8
convert 0.015 mm to m
a. .000015m
Write each of the following as a common fraction.
a. 0.0003
b. 0.026
a. 3/10000
b. 13/500
Convert the following fractions to decimal form. (Round to the nearest thousandth as needed.)
a. 2/7
b. 11/13
a. .286
b. .846
Compare A and B in three ways, where A =1.5 million is the 2012 population of city X and B =2.6 million is the 2012 population of city Y.
a. The ratio of A to B is _______. (Type an integer or decimal rounded to two decimal places as needed.)
b. The ratio of B to A is ______. (Type an integer or decimal rounded to two decimal places as needed.)
c. A is ______ percent of B. (Round to the nearest integer as needed.)
a. .58 to 1
b. 1.73 to 1
c. 58%
Evaluate the following expressions.
a. 107 X 105
b. 104 X 10-2
c. 109 / 104
d. 10-8 / 103
a. 1012
b. 102
c. 105
d. 10-11
convert 231.5 hg to cg
2315000 cg
Express the given decimal as a percentage and as a reduced fraction. 0.55
a. What is the percentage form of 0.55?
b. What is the reduced fraction form of 0.55?
a. 55%
b. 11/20
Convert the following fractions to decimal and percentage form. (Round to the nearest thousandth as needed.)
a. 1/11
b. 29/9
a. .091, 9.091%
b. 3.222, 322.222%
Jack and Jane went on a 140 mile bike tour with their club. On the first day they traveled 28 miles. What percent of the total distance did they travel on the first day?
a. 20%
b. .2%
c. 500%
d. 5%
a. 20%
Evaluate the following expressions.
a. 1021 X 1015
b. 101 + 102
c. 105 + 10-3
d. 105 - 103
a. 1036
b. 10 + 100 = 110
c. 100,000 + 1/1,000 = 100,000 + .001 = 100000.001
d. 100,000 - 1,000 = 99,000
Solve the equation.
9x + 7 = 7x + 33
x =13
Express the given decimal as a percentage and as a reduced fraction. 1.84
a. What is the percentage form of 1.84?
b. What is the reduced fraction form of 1.84?
a. 184%
b. 46/25
Convert the following fractions to decimal and percentage form. (Round to the nearest tenth as needed.)
a. 11/45
b. 49/92
c. 4/15
a. .2, 24.4%
b. .5, 53.3%
c. .3, 26.7%
An antique store claims that of its 4538 items in inventory, 4116 items are plain junk, while the rest are antiques. What percent of total inventory is antiques? Round to the nearest tenth of a percent.
A. 10.8%
B. 0.9%
C. 9.3%
D. 90.7%
c. 9.3%
Simplify by first writing the expression in radical form. If applicable, use a calculator to verify your answer.
125- 1/3
125- 1/3 = (Type a simplified fraction or a decimal.)
1 / 1251/3 = 1/5 = .2