state the laws of indices
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Law of Indices
To manipulate expressions, we can consider using the Law of Indices. These laws only apply to expressions with the same base, for example, 34 and 32 can be manipulated using the Law of Indices, but we cannot use the Law of Indices to manipulate the expressions 35 and 57 as their base differs (their bases are 3 and 5, respectively).
Six rules of the Law of Indices
Rule 1:
Any number, except 0, whose index is 0 is always equal to 1, regardless of the value of the base.
An Example:
Simplify 20:
Rule 2:
An Example:
Simplify 2-2:
Rule 3:
To multiply expressions with the same base, copy the base and add the indices.
An Example:
Simplify : (note: 5 = 51)
Rule 4:
To divide expressions with the same base, copy the base and subtract the indices.
An Example:
Simplify :
Rule 5:
To raise an expression to the nth index, copy the base and multiply the indices.
An Example:
Simplify (y2)6:
Rule 6:
An Example:
Simplify 1252/3:
You have now learnt the important rules of the Law of Indices and are ready to try out some examples!
To manipulate expressions, we can consider using the Law of Indices. These laws only apply to expressions with the same base, for example, 34 and 32 can be manipulated using the Law of Indices, but we cannot use the Law of Indices to manipulate the expressions 35 and 57 as their base differs (their bases are 3 and 5, respectively).
Six rules of the Law of Indices
Rule 1:
Any number, except 0, whose index is 0 is always equal to 1, regardless of the value of the base.
An Example:
Simplify 20:
Rule 2:
An Example:
Simplify 2-2:
Rule 3:
To multiply expressions with the same base, copy the base and add the indices.
An Example:
Simplify : (note: 5 = 51)
Rule 4:
To divide expressions with the same base, copy the base and subtract the indices.
An Example:
Simplify :
Rule 5:
To raise an expression to the nth index, copy the base and multiply the indices.
An Example:
Simplify (y2)6:
Rule 6:
An Example:
Simplify 1252/3:
You have now learnt the important rules of the Law of Indices and are ready to try out some examples!
Raffey:
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have a enjoying day bro^_^
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