Answer:

round off to 3s.f
means change to when you have 3 useful numbers
7613.83 has 4numbers.2decimal
same must be the round off value
Answer:
34
Step-by-step explanation:
Answer:
-9
Step-by-step explanation:
Answer:
Only 4 is the right answer. The rest all are false.
Answer:
undefined / no solution
Step-by-step explanation:
10p - 2(3p-6) = 4(3p-6) - 8p
10p - 6p - 12 = 12p - 24 - 8p
4p - 12 = 4p - 24
0 = -12
0 cannot equal -12