these are the three major measures of central tendancy
What is mean(average),median, and mode?
100
In the United States, 15,000,000 households use private wells for their water supply. Write this number in scientific notation.
What is 1.5 X 10^7?
100
solve for x in 9x=36
What is 4?
100
On a math test 12 students earned an A. this number is exactly 25% of the total number of students in the class. How many students are in class?
What is 48?
200
according to PEMDAS multiplication/division and addition/subtraction are to be done in what order
What is from left to right?
200
calculate the mean of 8 7 7 5 3 2 2
What is 4 6/7
200
The U.S. has a total of 1.2916 X 10^7 acres of land reserved for state parks. Write this in standard form. *Daily Double*
What is 12,916,000 acres?
200
x+13=21 is equal to x-8=13 T/F
What is true?
200
This year, 75% of the graduating class of Harriet Tubman High School had taken at least 8 math courses. Of the remaining class members, 60% had taken 6 or 7 math courses. What percent of the graduating class had taken fewer than 6 math courses?
What is 10%?
300
54-6/2+6=?
What is 57?
300
what is the mode of the set 11 8 3 5 5 5 9 12 12
What is 5?
300
The nucleus of a human cell is about 7 X 10^-6 meters in diameter. What is the length in standard notation?
What is .000007?
300
24/x=3 solve for x
What is 8?
300
What percent of 75 is 15?
What is 20%?
400
If (3/4-2/3)+(1/2+1/3) is calculated and the answer is reduced to simplest terms, what is the denominator of the resulting fraction?
What is 12?
400
what is the median of this set 3 8 5 4 9 9 7 7 7 6
What is 9?
400
A ribosome, another part of a cell, is about 0.000000003 of a meter in diameter. Write the length in scientific notation.
What is 3 X 10^-9?
400
If the total cost of x apples is b cents, what is a general formula for the cost, in cents, for y apples?
What is by/x?
400
63% of what number is 252?
What is 400?
500
list the order of operations according to pemdas
What is parenthesis, exponents, multiplication/division (left to right), addition/subtraction (left to right)
500
if a set has two modes it is said to be, if it has more than two it is said to be *Daily Double*
What is bimodal & multimodal?
500
in reference to the exponent in scientific notation, if it is negative the decimal must move________ and if it is positive the decimal must move_________