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Cambridge IGCSE Mathematics (0580)
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Maths_level 2_number Systems Operations_powers Roots Indices Standard Form And Surds
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Question
State the index laws for multiplying and dividing powers.
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Answer
a
m
a
n
=
a
m
+
n
and
a
m
/
a
n
=
a
m
−
n
for non-zero
a
.
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1
State the index laws for multiplying and dividing powers.
2
What is a zero index?
3
What is standard form?
4
What is a surd?
5
How do you rationalise a denominator such as
1/
3
?
6
How do you rationalise a denominator like
1/
(
a
+
b
)
?
7
What is the conjugate of
−
1
+
3
?