1.2.4 Indices and Powers Flashcards
1
Q
When multiplying powers of the same quantity what do you do?
A
Add the powers.
2
Q
When dividing powers of the same quantity what do you do?
A
Subtract the powers.
3
Q
When using brackets multiply everything in the bracket by what?
A
The power outside it i.e (3x)³ becomes 3³x³ = 27x³.
4
Q
What does a negative index indicate?
A
The reciprocal of a quantity i.e. a¯¹ = 1/a
5
Q
What does a fractional index indicate?
A
The power to which the quantity must be raised and the denominator is the square root value.
6
Q
What is any power of zero equal too?
A
1
