Section I
Divide: Leave your answer in both Scientific and Normal notation
81.0 x 106/3.6 x 106
2.25 x 101
22.5
Multiply: Leave your answer in Scientific and Normal notation
(81.0 x 106) (3.6 x 106)
2.916 x 1014
291,600,000,000,000
Multiply: Leave in Normal notation
(4.1 x 103)(2.7 x 105)
1,107,000,000
Multiply: Leave your answer in Scientific Notation
(2.2 x 106)(4.0 x 1011)
8.8 x 1017
88,000,000,000,000,000
Which of the following is the correct scientific notation for 0.000084?
(a) 840×10-8
(b) 8.4×10-5
(c) 75×104
(d) 75×10-4
B
Arrange the set of numbers from largest to smallest.
(a) 314,000
(b) 31.400 x 103
(c) .00314 x 105
(d) .03140 x 10-2
(e) .0000314
A, B, C, D, E
Which of the following solutions is smaller:
(4.50×104)(2.0 x 100)
or
(9.1 x 106)/(2.0 x 101)
Show your work
(4.50×104)(2.0 x 100)
= 90,000
Determine which of these numbers is the largest and correctly write your answer in normal notation.
(a) 13.9 x 106
(b) 2,424,102 x 10-6
(c) 1.6128 x 106
(d) 4.3 x 10-6
A
13,900,000
Divide:
(2.5 x 1017) / (5.0 x 1014)
0.5 x 103
or
500
The SR-71 "Blackbird" is considered one of the most fastest airplanes in the world. It is said to be able to travel at a speed of around Mach 3. Now that is three times faster than the speed of sound. The speed of sound is approximately 7.16 x 102 miles per hour.
How fast is Mach 3 in miles per hour?
2.28 x 103 mph
The half-life of uranium-238 is 4.5 x 109 years. The half-life of uranium-234 is 2.5 x 105 years. How many times greater is the half-life of uranium-238 than that of uranium-234?
1.8 x 104
Bozeman has approximately 4.0 x 104 people living in the city. And the entire approximation of people living in the state of Montana is 1.0 x 106. About how many times greater is the population of the state of Montana than the city of Bozeman.
0.25 x 102
= 25