In 2008 the world population is about 6760000000

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17.In 2008, the world population is about 6,760,000,000. Write the 2008 world population in scientific notation.18.Calculate the circumference of a circular field whose radius is 5 centimeters.Answers to the Above Questions1.6 balls are blue
2.10 students are 10 years old3. 1:44.N = 1975.x = 1 meter6.20,000 square meters7.368 square units8.1250 meters per minute9. $80010.$15.7511.3.75 cm12.$28.4413.78.74 inches14.40 square meters15.66.5%16.B17.6.76 10918.10π centimetersGrade 7 maths multiple choice questions on fractionsand mixed numbers with answersare presented. The questions tests both the skills and concepts related to fractions and mixed numbers with some challenging questions. Solutions and explanationsare included.Notes: 1 - In this page, fractions are written with diagonal bars. For example 5/8 is the fraction whosenumerator is 5 and denominator is 8.
11 1/4 is a mixed number meaning 11 + 1/4.2 - Do not use the calculator to solve the questions below.1.Find fraction F with denominator less than 8 such that 2/8 + F = 1
2.Find two fractions F1 and F2 with same denominator equal to 6 such that F1 + F2 = 1 and F1 - F2 = 2/3
3.Which fraction is equivalent to 16%?
4.Which fraction is equivalent to 300/1000A.3/100B.3/1000C.3/10
D.300/10
5.1/2 + 1/5 + 1/6 =
6.3 3/5 + 5 1/2 =
7.1/7 x 2 2/5 =
8.1/12 x 0.2 =A.1/6B.1/120C.1/600D.1/60
9.2/5 ÷ 6 =A.12/5B.1/15C.5/12D.12/3010.9/7 + 2 =A.3 2/7B.11/7C.9/9D.3 9/711.2 1/3 + 4/2 =A.3B.7/5C.4 1/3D.2 5/512.3 1/5 ÷ 5 =A.3 1/25B.4C.16/25D.15 1/513.1/2 + 4 1/3 - 3 2/5 =
A.1 13/30B.1C.2 13/30D.2
14.5/2 ÷ 7/2 - 1/5 =
15.(0.2 + 1/5) x 2/7 =
16.(3 1/2 + 3/5) x 1/7 =
18.(1/2 + 2/3) ÷ 0.2 =A.7/30B.3C.5 5/6D.6 5/6
19.Order from least to greatest: 3 4/7 , 3 3/5 , 3 1/2 , 3 11/20.
20.Order from least to greatest: 2 7/8 , 2.66 , 262% , 25/8.
Answers to the Above Questions
Grade 7 maths questions on set theory with answersare presented. Some of these questions can be challenging and need more time to be solved. Also, the solutions and explanationsare included.

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