Solved Problems on Decimal Numbers in Basic Mathematics - Exam 2 | MATH 070, Exams of Elementary Mathematics

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Math 070 - Fall 2008 Exam 02 (Chapters 4-5) Name___________________________________

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers

the question.

Write the decimal in numbers. 1)Eighthundred andseventenths A) 8 0. 7 B) 8 00. 7 C)0. 807 D) 807.

Round the number to the given place value. 2)A clothing store has a shirt on sale for $36.55. Round this value to the nearest dollar. A)$ 37 B)$36.55 C)$ 36 D)$36.

Add. 3)44.74+7.619+3.987+5. A)61.646 B)61.746 C)62.646 D)61.

Subtract. 4)13.6-2. A)17.27 B)10.93 C)11.03 D)16.

Solve. 5)Find the perimeter of the rectangle. 1.99feet

3.9feet

A)7.761feet B)5.89feet C)11.78feet D)4.76feet

Multiply. 6)4.8×0. A)0.48 B)4.80 C)4.8 D)0.

Find the circumference of the circle. Then use the approximation 3.14 forΔand approximate the circumference.

8.9yd

A)55.892yd B)28.836yd C)57.672yd D)27.946yd

Estimate the quotient by first rounding each number. 8)246.82÷47. A)0.5 B) 5 C) 50 D) 7

Divide. 9)1.89÷ 100 A)0.00189 B) 1890 C)0.0189 D)18,

Write the fraction as a decimal. Round to the nearest thousandth if necessary.

10)^3 5 A)1.667 B)0.06 C)0.6 D) 6

Insert<,>, or=between the pair of numbers to form a true statement. 11)0.297___0. A)< B)> C)=

Write the ratio as a ratio of whole numbers using fractional notation. Write the fraction in simplest form.

12. 96 ,000copiesto 24 ,000copies A)^12 4

B)^1

C)^1

D)^4

Write the rate as a unit rate. 13)An animal can move at 1260 metersperhour. Write this rate inmetersperminute. A)75,600m/min B)^7 20

m/min C) 81 m/min D) 21 m/min

Determine whether the proportion is true or false.

14)^350 150

=^1015

A)True B)False

For the proportion, find the unknown number n.

15)^4 5 4

=^16

n

A) 80 B) 20 C)^14 D) 5

FREE RESPONSE. Work out the problems below, step by step. Show as much work as possible.

Arrange in order from smallest to largest. 16)1.753,1.537,1.573,1.