Answer:
71
Step-by-step explanation:
ndndnrbrjen3n3nn3b2n2b2b
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:
expression
Step-by-step explanation:
expressions DON'T have equal signs but equations do.