Scientific Notation
What is 3.25 x 10-7 in standard notation?
.000000325
(7 x 105) - (5.2 x 104)
6.48 x 105
(4*10-5)*(5*1012)
2*108
112 - x = 21
x = 91
How many solutions does the following have?
If one, what does x equal?
7 + 2x = 5x
one solution
x = 7/3
What is 900,000 in scientific notation?
9 x 105
(4.5 x 104)+(1.75 x 104)
6.25 x 104
(9 x 108)/(2 x 102)
4.5 x 106
3x + 2 = 17
x = 5
How many solutions does the following have?
If one, what does x equal?
5x + 4 = -3 + 5x
no solutions
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
(2.005 x 105) - (8.664 x 102)
1.996336 x 105
(5.1*104)*(2.5*103)
1.275*108
16x = 9x + 21
x = 3
How many solutions does the following have?
If one, what does x equal?
4x(2 - 15) = -52x
Infinite solutions
Write this number in scientific notation 93,000,000
9.3 x 107
(5.2 x 104) - (1.5 x 102) - (4.6 x 104)
5.85 x 103
(4.5 x 1028)/(3 x 1015)
1.5 x 1013
4(3 + 4x) - 3 = 6x + 2
x = -7/10
How many solutions does the following have?
If one, what does x equal?
-3(14x + 11) = -6(7x + 11)
no solution
Write this number in scientific notation 0.0000000302
What is 3.2 x 10-8 ?
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
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
2.5( x - 6) - x = 4x + 1.6
x = -6.64
How many solutions does the following have?
If one, what does x equal?
-3(16x + 22) = -6(8x + 11)
Infinite real solutions