Convert 65,000,000 to scientific notation. (3 points)
65,000,000 can be written in scientific notation as 6.5 x 10^7.
Convert 5.4 ⋅ 103 to standard form. (3 points)
0.0054
0.00054
5,400
54,000
The number 5.4 ⋅ 10^3 in standard form is 5,400.
Convert 0.00001 to a power of 10. (2 points)
104
10−4
105
10−5
0.00001 can be written as 10^(-5).
The table shows the diameters of three planets:
Planet Diameter (kilometers)
Neptune 4.9 ⋅ 104
Saturn 1.2 ⋅ 105
Uranus 5.1 ⋅ 104
Order the planets from greatest to least diameter. (4 points)
Saturn, Uranus, Neptune
Neptune, Uranus, Saturn
Uranus, Neptune, Saturn
Saturn, Neptune, Uranus
The correct order from greatest to least diameter is: Saturn, Uranus, Neptune.
Which number is the smallest? (4 points)
4.4 ⋅ 10−5, 3.99 ⋅ 10−6, 2.6 ⋅ 102, 1.85 ⋅ 103
The smallest number is 3.99 ⋅ 10^(-6).
Compare 9 ⋅ 104 to 3 ⋅ 102. (4 points)
9 ⋅ 104 is 3 times larger than 3 ⋅ 102.
9 ⋅ 104 is 30 times larger than 3 ⋅ 102.
9 ⋅ 104 is 300 times larger than 3 ⋅ 102.
9 ⋅ 104 is 3,000 times larger than 3 ⋅ 102.