Scientific Notation
Adding
Subtracting
Multiplying
Dividing
100

Is the following expression written in scientific notation? If not, explain why. 3.25 + 10-7 

No, it should be multiplied, not added.

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 mass of Jupiter is approximately 1,900,000,000,000,000,000,000,000,000 kg. Write the mass of Jupiter in scientific notation.

1.9 x 1027

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 mass of a Monarch butterfly is about 9.5x10-3. Write this number in standard form.

.0095

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

The size of the Sahara desert is about 3.629 x 106 square miles and the Arabian desert is about 9 x 105 square miles. Which desert is larger? Explain how you know.

Sahara, because the exponent is bigger.

400

Solve (9*105)+(4.5*106)

 5.4*106

400

Solve the expression. Write your answer in scientific notation. (8.45 * 10-7) - (6.9 * 10-7)

1.55 x 10-7

400

Solve (1.3*10-2)*(0.05) 

6.5*10-4

400

Solve (7.80*107)/(1.0*104)

7.80*103

500

The size of the four oceans, in square km, is shown below. List the oceans from smallest to largest. Pacific Ocean - 1.7965 x 108, Arctic Ocean - 1.323 x 107, Atlantic Ocean - 1.061 x 108, Indian Ocean - 7.49 x 107

Arctic, Indian, Atlantic, Pacific

500

Solve (1.22*105)+(3.655*108)

 3.65622 × 108

500

Solve (2.2*106)−(4.3*105)

1.77*106

500

Solve (4.3*102)*(4.0*10-3) 

1.72*100

500

Solve (4.16*10-5)/(8.0*10-4)

5.2*10-2

M
e
n
u