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Word Problems
100

which is larger

4x10or 3x109

and

8x10-3   or   6.23x10-3

 3x109

8x10-3 

100

(8 x 1032) - (3 x 1032)

5 x 1032

100

(2 x 105)(4 x 104)

8 x 109

100

4 x 10/ 2 x 101


2 x 102

100

There are 3.8 x 104 McDonalds in the world. If each one makes $1.5 x 10per day, how much money would McDonalds make everyday? (answer in scientific notation)

5.7 x 1010 or $57,000,000,000

200

Write 0.00007  and 67,000 in scientific notation

7x10-5

6.7x104

200

(3.04 x 109) + (2.3 x 109)

5.34 x 108

200

5(6 x 101)

3 x 102

200

8 x 104 / 4 x 10-2

2 x 106

200

Allen Robinson makes $1.5 x 107 per year, Khalil Mack makes $23,000,000 per year. What is their salaries combined. (answer in scientific notation)

3.8 x 107

300

write the following in standard form

4.9x10-2

8x106

0.049

4,000,000


300

(9.7 x 108) - (9.77 x 107)

8.723 x 108

300

(8 x 10-9)(5 x 103)

4 x 10-5

300

3 x 101 / 6 x 10-1

5 x 101

300

The largest lottery Jackpot ever was 1.6 x 109, if this jackpot was split evenly between 5 people how much would each person receive. (answer in both scientific notation and standard form.)

3.2 x 108 or $320,000,000

400

Which is larger

a)  3,400  or  3x104

b) 0.000076   or 7.6x10-8

a) 3x104

b) 0.000076

400

(1.07 x 10-7) + (6.1 x 10-9)

1.131 x 10-7

400

(3.6 x 10-5)(4.4 x 10-2)

1.584 x 10-6

400

5.61 x 101 / 8.5 x 101

6.6 x 10-1

400

Michigan Stadium holds 1.07 x 10 fans, SeatGeek stadium holds 2.8 x 104 fans. How many more fans does Michigan Stadium hold. (show answer both in scientific notation and standard form) 

7.9 x 104 or 79,000

500

Put the following numbers in order from least to greatest

0.013     1.3x104    1.4x10-4    13,300     10

1.4x10-4 ,   0.013,   10,   1.3x104,   13,300 


500

(8.69 x 108) - 9,600,000

8.594 x 108

500

0.07 x (1.2 x 10-4)

8.4 x 10-6

500

2.21 x 109 / 6.5 x 1015

3.4 x 10-7

500

The distance to the moon is 1.2 x 105 miles from earth. The distance from Earth to Mars is 1.44 x 108 miles. How many times larger is the distance to Mars than to the moon?

1.2 x 103 or 1,200 times