Answer:
640; 581 R 90; 90
Step-by-step explanation:
you can round 110 to 100
64000/100 is simply 640
then you do the real math
the quotient is 581 r 90
this means the remainder is 90
"Four times a number" in symbols is "4n."
Answer: AB = 150 degrees
Step-by-step explanation: 90 + 60 = 150
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