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

1,865,009,800,000,000

1.8650098x10^15

400

(5x10^4)+(4x10^5)

4.5x10^5
400

(7x10^4)-(2.6x10^2)

6.974x10^4

400

(5x10^5)(3.5x10^8)

1.75x10^14

400

(2x10^8)/(4x10^5)

5x10^4

500

0.000000003476

3.476x10^-9

500

(2.5x10^6)+(3.9x10^4)

2.539x10^6

500

(2.7x10^9)-(9x10^8)

1.8x10^9

500

(3.18x10^7)(6.89x10^4)

2.19102x10^11

500

(9.76x10^5)/(6.45x10^12)

1.513x10^-7

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