How do I work out 1 over 4 + 3 over 8
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Answer:
Not sure exactly which equivalent expression you are looking for but my goal would be to write it without the negative exponent.
Step-by-step explanation:
They have the same exponent and it is multiplication.
There is a law of exponent that says .
So we have equals
.
Let's simplify (4*7)^(-2).
Since 4*7=28, we can say .
Some people really hate that negative exponent. All that - in the exponent means is reciprocal. So .