A.209
<span>276.37 – 67.81 = 208.56
The 5 in .56 means round up.
This means 208.56 will turn into 209.</span>
9/16 + 1/2 = 9/16 + 8/16 = 17/16 = 1 1/16
3^(-4) means "one over 3^4"
1/(3^4)
That's equal to
1/81
and
(1/3)^4
This is also equal to 3^2/3^6.
So four of those are correct.
Answer:
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Step-by-step explanation:
