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100

A school collected 3.6+105 cans during a food drive. Another school collected 1.2×104 cans. how many times as many cans did the first school collect?

30 times

100

Solve the expression (3.7 x 109) + (9.04 x 109)

1.274 x 1010

100

Solve the expression (7 x 105) - (5.2 x 104)

6.48 x 105

100
Solve the expression (4*10-5)*(5*1012)
2*108
100

Solve the expression (5.3 x 106)/(4.2 x 104)

1.26 x 102

200

(53)n=518   find n

n = 6

200

Solve (4.5 x 104)+(1.75 x 104)

6.25 x 104

200

Solve (2 x 104) - (4 x 102)

1.96 x 104

200
Solve (6*103)*(2*105)
1.2*109
200

Solve (9 x 108)/(2 x 102)

4.5 x 106

300

The volume of a cube is  15,625in

What is the length of each edge?

25 inches

300

Solve (5.4 x 103)+(1.2 x 105)

1.254 x 105

300

Solve (2.005 x 105) - (8.664 x 102)

1.996336 x 105

300
Solve (5.1*104)*(2.5*103)
1.275*108
300

Solve (3.66 x 10-5)/(2.0 x 10-3)

1.83 x 10-2

400

Simplify in positive exponents

(2x-4)-2

x8 / 4

400

The population of the United States is 3.1 x 108 and the population of Canada is 3.38 x 107 . What is the total population?

3.438 x 108

400

The population of the United States is 3.1 x 108 and the population of Canada is 3.38 x 107 . How many more people live in the United States than in Canada?

2.762 x 108

400

(1.25 x 104)(4 x 104)

5 x 108 

400

(4.5 x 1028)/(3 x 1015)

1.5 x 1013 

500

 Solve the equation and simplify

(3x5)2(2x3)

     6x4



x9

500

(3.2 x 10-2) + (3.2 x 10-4)+ (2.8 x 10-2)

6.032 x 10-2 

500

(5.2 x 104) - (1.5 x 102) - (4.6 x 104)

5.85 x 103

500

Light travels at a speed of 1.86 x 105 miles per second. It takes light from the Sun about 4.8 x 103 seconds to reach Saturn. Find the approximate distance from the Sun to Saturn. 

8.928 x 108

500

When the Sun makes an orbit around the center of the Milky Way, it travels 2.025 x 104 kilometers. The orbit takes 225 million years. At what rate does the Sun travel?

9 x 105 km/year