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 105)
1.8 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
Convert to standard notation: 8.923 X 10^2
892.3
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