Scientific Notation
Write 96,000,000 in scientific notation
9.6 x 107
Square root of 36
6
Does a positive slope move upward on a graph from left to right?
Yes
Simplify 1000
1
A scientist is studying bacteria growth. The number of bacteria doubles every hour. If the initial count is 23, express the number of bacteria after 4 hours using exponents and simplify your answer.
23 x 24 = 27 = 128
Complete this equation: 0.05 x 1000
50
Square root of 121
11
Filipe is paid $1,000 every month plus an additional $150 bonus for every tractor that he sells, x. Write an equation that represents the total amount of money, y, Filipe makes each month.
y=150x + 1000
Write (-25)-3 without a negative exponent
1/(-25)3
A computer processes data at a rate of 105 bytes per second. If a file is 103 bytes in size, how many files can be processed per second? Write your answer using exponents.
102
9.68 x 106
9,680,000
Square root of 144
12
What is the slope in the equation y=3x+5?
3
(55)(259)
1259
Is 0.25 a rational or irrational number?
rational, because you can write this as a fraction using two integers 25/100 = 1/4
Multiplying in Scientific Notation:
(2.3 x 101) x (4.7 x 104)
1.081 x 106
Square root of 256
16
Find the slope that passes through the points (-1,3) and (2,-5)
-8/3
(55 x 85)0
1
what is the square root of 1.5625?
1.25
Subtracting Scientific Notation:
(7.8 x 106) - (3.2 x 105)
7.48 x 106
Square root 225
15
See if the table values are linear. If so write in slope intercept form.
x -2, -1, 0, 1, 2
y -7, -4, -1, 2, 5
y=3x-1
(x2y4z0)5
x10y20
The age of the Earth is roughly 4,560,000,000 years. Write this in scientific notation.
4.6 x 109