Scientific Notation
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
Solve the expression (3.7 x 109) + (9.04 x 109)
1.274 x 1010
Solve the expression (7 x 105) - (5.2 x 104)
6.48 x 105
Solve the expression (5.3 x 106)/(4.2 x 104)
1.26 x 102
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.
What is Sahara, because it has a larger exponent?
Solve (4.5 x 104)+(1.75 x 104)
6.25 x 104
Solve (2 x 104) - (4 x 102)
1.96 x 104
Solve (9 x 108)/(2 x 102)
4.5 x 106
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
Solve (5.4 x 103)+(1.2 x 105)
1.254 x 105
Solve (2.005 x 105) - (8.664 x 102)
1.996336 x 105
Solve (3.66 x 10-5)/(2.0 x 10-3)
1.83 x 10-2
Write this number in scientific notation 93,000,000
What is 9.3 x 107 ?
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
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
(1.25 x 104)(4 x 104)
5 x 108
(4.5 x 1028)/(3 x 1015)
1.5 x 1013
Write this number in scientific notation 0.000000302
What is 3.2 x 10-7 ?
(3.2 x 10-2) + (3.2 x 10-4)+ (2.8 x 10-2)
6.032 x 10-2
(5.2 x 104) - (1.5 x 102) - (4.6 x 104)
5.85 x 103
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
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