1.2.4 Indices and Powers Flashcards

1
Q

When multiplying powers of the same quantity what do you do?

A

Add the powers.

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2
Q

When dividing powers of the same quantity what do you do?

A

Subtract the powers.

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3
Q

When using brackets multiply everything in the bracket by what?

A

The power outside it i.e (3x)³ becomes 3³x³ = 27x³.

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4
Q

What does a negative index indicate?

A

The reciprocal of a quantity i.e. a¯¹ = 1/a

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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.

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6
Q

What is any power of zero equal too?

A

1

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