Answer:
53. ±6
51. 2
Step-by-step explanation:
According to the Order of Operations [GEMS\BOMDAS\PEMDAS etc.], in this case, evaluate everything in grouping symbols first, then evaluate the exponents to avoid confusion:

I am joyous to assist you anytime.
Answer:
8.553
Step-by-step explanation:
hope this helped
Answer:
5 thousand and 5 hundred.
Step-by-step explanation:
The answer is -7
no to sure though