Addition: 70 + 80 = 150. You round 65 up because the ones digit is greater than and the same with 77.
Multiplication: Round up since both ones digits are bigger than 5. 70 x 80= 5600.
Answer:
Step-by-step explanation:
x= y+10
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2.5
000000256 I think because I don't know what you mean by sort it.
8/7 each side of the expression both go up by 1
