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

Write .0000000456 in scientific notation

what is 6.54X10^-8

400

(7.3X10^5)+2400000

3.13X10^6

400

(1.21X10^5)-9500

1.115X10^5

400

(9.75X10^3)(8.4X10-6)

what is 8.19X10^4

400

(1.14X10^6)/(4.8X10^-6)

What is 2.375X10^11

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