Rules Flashcards
1
Q
A negative times a negative always equals…
A
Positive
2
Q
To multiply two powers of the same number you…
A
Add them together,
e.g. 10 to the power of 3 x 10 to the power of 4 = 10 to the power of 7 (3+4)
3
Q
To divide two powers of the same numbers you…
A
subtract the powers,
e.g. 10 to the power of 5 divided by 10 to the power of 3 = 10 to the power of 2 (5-3)
4
Q
You round a number ___ if it’s five or more. Fill the blank
A
Up.
5
Q
All whole numbers can be written as…
A
the product of two factors.
6
Q
A number always has at least how many factors?
A
two, one and itself.
7
Q
To get a number to 1 sf what do you have to do?
A
Round the number next to the first sf.
e.g. 3876 rounded to 1 sf is 4000
