Powers of 10/ Square Roots & Perfect Squares, and Ordering Numbers
True or False?
10-6 = 0.0000001
False
Find the absolute value of l-23l
23
There are 4 green bows and 6 red bows in a bag. What is the probability of choosing a red bow?
2/5
Solve for x:
-38 = -3 -5x
x=7
Solve for x:
6/9 = x/27
x=18
What is the square root of 324?
18
Find the absolute value of l9l
Christian rolls a die 8 times. The results are shown below:
Roll 1: 5
Roll 2: 1
Roll 3: 4
Roll 4: 4
Roll 5: 6
Roll 6: 2
Roll 7: 5
Roll 8: 3
Based on the results, what is the probability of rolling an odd number?
1/2
Solve when x= -4 y = 2 and z =7
x (5 + z) / y
-24
60 is 12% of what number?
500
Based on the pattern,
101 = 10
100 = 1
10-1 = 0.1
10-2 = 0.01
0.0001 is equivalent to what power of ten?
10-4
A whale dives 8,043 feet below sea level. A dolphin is 7,923 feet higher than the whale. What is the dolphin's elevation?
-120
Mary has 16 scrunchies, 6 of which are blue. If Mary puts them into a bag, what is the probability of Mary choosing a blue scrunchie?
3/8
-9x +3 = 30
x= -3
A small bag of candy had 15 Sour Patch Kids and 20 chocolate candies. In a larger bag, with the same mixture of candies, there were 40 chocolate candies. How many Sour Patch candies should be in the larger bag?
30
Order these numbers from greatest to least:
4.18×103, 2.67×108, 4.189×103
2.67×108, 4.189×103, 4.18×103,
List the integers from least to greatest:
0, 8, -2, 10, -9
-9, -2, 0,8, 10
Jace has many ornaments; 10 have his name on them and 26 do not. What is the probability of Jace hanging an ornament with his name on it?
5/18
Which expression has a value of 164 when, a = 3 and b = 2 ?
A. 4a2 + (5b)2
B. (4a + 5b)2
C. (4a)2 + 5b2
D. 4a2 + 5b2
C.
If Lola wanted to leave a 20% tip on her bill of $79, how much would she leave?
$15.80
Order the following numbers from least to greatest:
35%, 0.252, 1/4 , 0.28
1/4, 0.252, 0.28, 35%
There are 500 people in a mall. Of those people, 2/5 of them wear glasses. How many people wear glasses?
200
You and your 3 friends toss a coin a few times and record your results in the table below. Which friend's result is the experimental probability of landing on heads closest to the theoretical probability of landing on heads?
Friend 1
H: 13 T:10
Friend 2
H: 19 T: 21
Friend 3
H: 26 T: 32
Friend 4
H: 16 T: 13
Friend 2
What is the value of a+3b / a+b if a = 2, b = -6?
4
Frank went holiday shopping and bought a bike for his mom that was 30% off. If the bike originally costed $909, what is the sales price?
$636.30