Answer:
423.5
Step-by-step explanation:
12.1 times 10 times 7 = 847
847/2 = 423.5
-9 + pi will be irrational becasue it contains pi
23.2 repeating + sqrt 16 is rational because repeating numbers are rational and sqrt 16 is rational.
Answer:
a - 162
b - 234
Step-by-step explanation:
mental mathed it
The answer is 3 because the order of operations tells you to start off with parenthesis first, which would (I assume would anyways) be 15. Then you would do 45÷15, which is 3.
