word problems
The weight of a red whale is 250,000 pounds on average. How would you write this number in scientific notation?
2.5 x 10^5
1x10^4 + 5x10^6
5.01x10^6
1.987x10^3 - 2.198x10^4
-1.9993x10^4
(2.0×100)×(6.0×105)
1.20×106
8 x 10^7/ 2 x 10^4
4 x 10^3
Travis calculated that he spent 5.4 x 10^4 minutes doing his math homework during Spring. How would you write this number in standard notation?
54,000
2.65x10^7 + 3.5x10^3
2.65035x10^7
3.465x10^5 - 5.6723x10^7
-5.63765x10^7
(9x10^3) x (5x10^2)
45x10^5
9 x 10^8/ 3 x 10^2
3 x 10^6
During the past year the city of Nolanville recycled 7.6 x 10^6 cans. How would this number be expressed in standard notation?
7,600,000
5.654x10^8 + 7.465x10^9
8.0304x10^9
3.907x10^9 - 8.099x10^10
-7.7083x10^10
(3x10^8) x (6.8x10^-13)
2.04x10^-4
6 x 10^9/ 6 x 10^3
1 x 10^6
Mr. Johnson can type 89 words per minute. How many minutes would it take for her to type 1.068 x 10^4 words.
1,182
8.935x10^-10 + 9.567x10^-9
1.04605x10^-8
9.8705x10^-13 - 7.3025x10^17
-7.3025x10^17
3x10^-6 (2x10^-4)
6x10^-10
4 x 10^6/ 2 x 10^4
2 x 10^2
George read that his families Range Rover weighs 4,950 pounds when no one is inside. When his entire family is inside the weight goes up to 6,125 pounds. How would you write the total weight of his family in scientific notation?
1.175 x 10^3
9.987x10^20 + 5.981x10^-35
9.987x10^20
9.7806x10^-34 - 5.979x10^-55
9.781x10^-39
(8.2x10^6) (1.5x10^-3) (1.9x10^7)
2.337 x 10^-3
6 x 10^11 / 3 x 10^5
2 x 10^6