Exponents
What is the little number on the top of this expression called 24
exponent
What does the P in PEMDAS stand for?
Parentheses
LCD is short for?
least common denominator
Positive multiply by Negative is.....?
Negative
0.14
What is the big number on the bottom of this expression 25called?
Base
What does the M in Pemdas stand for?
Multiplying
GCD is short for?
greatest common divisor
Negative times Negative would be?
Positive
What is 0.8 * 0.7?
0.56
What is 53 ???
125
What does the e in PEMDAS stand for?
exponent
How do we go between mixed number to improper fractions?
Multiply the whole number by the denominator then add the numerator.
To go back divide and quotient is our whole number and the remainder is our numerator.
What is -12 * 10?
-120
What is 0.1 * 40?
What is ALWAYS the answer for any number to the power of 0? for example 50???
1
Would PEDMSA technically be also correct?
How do we divide fractions?
We must flip (take the reciprocal of) the right term (divisor) and then multiply normally.
What happens when we subtract a negative number?
We end up moving to the right and increasing.
What is 10% of 40?
4
What happens when the base is a decimal (less than 1) as the exponent approaches infinity?
The value gets closer to 0.
What is the special consideration we must make when multiplying and dividing is side by side? Like 12x3÷4x3
Left to right.
What is it called when you flip the denominator and numerator?
Reciprocal
Can the square root of a positive number be negative?
Yes! (both 5 * 5 = 25 and -5 * -5 = 25). So sqrt(25) = 5 and also -5.
What is the latin origin of why percents are out of 100?
Per = For every, Cent = 100.