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Word Problems
100
Convert to standard notation: 4.7 X 10^4
47,000
100
Convert to scientific notation: 234000
2.34 X 10^5
100
Which is bigger? 45,000 or 4.5 X 10^3
45,000
100

Solve: (1.08 x 10-3)(9.3 x 10-3)

1.004 x 10-5

100

There are 102,000,000,000 ants in an average anthill. How many is that in scientific notation?

1.02 x 1011

200
Convert to standard notation: 8.923 X 10^2
892.3
200
0.0026
2.6 x 10^-3
200
Which is smaller? 9,000,000 or 9 X 10^9
9 X 10^9
200
Solve: 7.1 x 10^6 __________ 8.2 x 10^1
8.659 x 10^4
200

May measured her eyelash and it was 4.5 x 10-3 inches thick.  

What is this in standard form?

.0045 inches thick

300
Convert to standard notation: 9.87 X 10^-5
0.0000987
300
Convert to scientific notation: 8,000,000
8 X 10^6
300
Which is smaller? 700 or 7.00 X 10^3
700
300
Solve: (2 x 10^-4)(8.1 x 10^-1)
1.62 x 10^-4
300

5 x 105 peanuts are packaged every day at Planter's Peanuts in Houston, TX.  

There are 2 x 103 cases of peanuts every day.

How many peanuts are in each case?

Keep in scientific notation

2.5 x 102 peanuts

400
Convert to standard notation: 3 X 10^-6
0.000003
400
Convert to scientific notation: 0.000000698
6.98 x 10^-7
400
Which is larger? 89,000 or 8.9 X 10^4
89,000
400
5.4 x 10^-1 __________ 3.4 x 10^1
1.588 x 10^-2
400

Jerry planted  5 x 103 rows of potatoes. There were 3 x 102 potatoes in each row.  

How many potatoes did Jerry plant?  

Keep in scientific notation.

15 x 105 =  1.5 x 106

500
Convert to standard notation: 3.425 X 10^8
342,500,000
500
Convert to scientific notation: 45,300
4.53 X 10^4
500
Which is equal? 6.7 X 10^3 = 67,000 OR 5.4 X 10^4 = 54,000
5.4 X 10^4 = 54,000
500
(2.32 x 10^-6)(4 x 10^-5)
9.28 x 10^-11
500

The area of the grand ball room in Tahila, India        is 8 x 105 square feet.

The easter wall is 4 x 103 feet long.

What is the length of the northern wall?

2 x 102