Scientific Notation
Adding
Subtracting
Multiplying
Dividing
100
Is the following expression written in scientific notation? If not, explain why. 3.25+10-7
No, 3.25 should be multiplied by 10-7
100
Solve the expression (3.7*109) + (9.04*109)
1.274*1010
100
Solve the expression (7*105) - (5.2*104)
6.48*105
100
Solve the expression (4*10-5)*(5*1012)
2*108
100
Solve the expression (5.3*106)/(4.2*104)
1.26*102
200
The size of the Sahara desert is about 3.629*106 square miles and the Arabian desert is about 9*105 square miles. Which desert is larger? Explain how you know.
Sahara, because it has a larger exponent
200
Solve (4.5*104)+(1.75*104)
6.25*104
200
Solve (2*104) - (4*102)
1.96*104
200
Solve (6*103)*(2*105)
1.2*109
200
Solve (9*108)/(2*102)
4.5*106
300
The size of four oceans in square km is shown below. List the oceans from smallest to largest. Pacific Ocean: 1.796*108, Artic Ocean: 1.323*107, Atlantic Ocean: 1.061*108, Indian Ocean: 7.498*107
Artic, Indian, Atlantic, Pacific
300
Solve (5.4*103)+(1.2*105)
1.254*105
300
Solve (2.005*105) - (8.664*102)
1.996336*105
300
Solve (5.1*104)*(2.5*103)
1.275*108
300
Solve (3.66*10-5)/(2.0*10-3)
1.83*10-2
400

Which is number is larger 678,000 or 6.78 x 106

6.78 x 106

400

(1.21 x 105) + 2,400,000

3.13 x 106

400

(1.03 x 109) - (4.7 x 107)

9.83 x 108

400

(9.75 x 103)(8.4 x 10-6)

8.19 x 10-2

400

4.64 x 10-4/2.9 x 10-6

1.6 x 102

500

Arrange the numbers from smallest to largest:

216,000,000

2.2 x 103

3.1 x 107

310,000

2.2 x 103

310,000

3.1 x 107

216,000,000


500

(8.64 x 106) + (1.334 x 1010)

1.334864 x 1010

500

87,100 - (6.34 x 101)

8.70366 x 104

500

(3.7 x 10-2) (1.2 x 103)

4.44 x 101

500

1.14 x 106/ 4.8 x 10-6

2.375 x 1011

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