Math (scott) Flashcards
- To convert a decimal to a percent, move the decimal ___________.
- To conver a percent to a decimal, move the decimal ____________.
- two to the right
- two to the left
Write the value of each digit in the following number: 14,059.826
1: ten thousands
4: thousands
0: hundreds
5: tens
9: ones
8: tenths
2: hundredths
6: thousandths
The top number in a fraction is called the ____________.
The bottom number in a fraction is call the ___________.
Numerator
Denominator
Order of operations mnemonic:
PEMDAS
parentheses, e , multiplication/division, add/subtract.
A negative exponent is the same as the reciprocal of a positive exponent.
example: a-2 = 1/a2-
The ___________ is the distance away from zero, it is always positive and written |x|.
absolute value
If two fractions have a common denominator, they can be _________ and __________.
added or subtracted.
Two fractions can be multiplied by multiplying the two __________ to find a new _________ and multiplying the two ___________ to find a new _____________.
numerators to find new numerator
denominators to find new denominators
Two fractions can be divided by ___________ the numerator an denominator of the second fraction and then proceeding as though it were a multiplication.
flipping
The _______ is the average of the data points.
mean
The ________ is the value in the middle of the data set.
median
The _________ is the value that appears most often in the data set.
mode
The ________ is the difference between the highest and lowest values in the data set.
range
Shape of data distribution:
If a distribution has a single peak, it would be considered __________.
If it has two discernible peaks it would be considered _____________.
unimodal
bimodal
Name the four quadrants