Exponents/CLT
Simplify 20
1
Write 900 in scientific notation.
9 x 102
What is 10% of 45?
4.5
Describe the likelihood of rolling a 4 on a dice?
Unlikely (1/6 chance)
The constant of proportionality is the value of y when x is what number?
1
Simplify 42 x 46
48
Write 4.6 x 104 in standard form.
46000
What percentage of 55 is 33?
I flip a coin 4 times. What is the probability I roll heads all 4 times?
1/16
What is the COP?
x y
2 15
4 30
5 37.5
7.5
3x3 + 2 - 4x2 - 2x3 - 6
x3 - 4x2 - 4
(40 x 107)/(10 x 105)
A shirt is on sale for 25% off and is normally priced at $30. What is the sale price?
$22.50
Ms. B has a bag with 4 green marbles, 2 blue marbles, 5 red marbles, and 1 purple marble. What is the probability that she pulls out a green or blue marble?
1/2
Solve for x.
x/13 = 15/65
x=3
3(x + 3x3) + 12(y + 2)
9x3 + 3x + 12y + 24
6 x 10-1
I have a meal at Olive Garden priced at $14.50 without tax. I tip 15% . What is my final bill without tax?
$16.68
There are 20 slips of papers with names on them in a bowl. 3/20 are 3 letter names, 7/20 are 4 letter names, 6/20 are 5 letter names, and 4/20 are 6 letter names. What is probability of pulling a name with an odd number of letters?
9/20
I ran 4.5 miles in 3 hours. What was my unit rate for my running speed (miles per hour)?
1.5 miles per hour
3(x - 1/4)
3x - 3/4
Solve (13 x 104) x (11 x 106) and put it in scientific notation.
1.43 x 1012
A TV costs $450 before tax. I have a coupon for 30% off. Tax is 7.5%. What is my final cost after tax and coupon?
$338.63
There is a bag with different colored socks. 4 are blue, 7 are white, 8 are black, and 1 is purple. I grab a sock without looking, record the color, and put it back. If I do this 100 times, how many times should I expect to pull a blue sock?
20 blue socks
Find x and the scale factor.
23/x = 36.8/32Scale Factor= 1.6