Answer:
i belive the answer is the option c
So the two possible original temperatures would be either -9 or 9.
Answer:
c = 2 or c = -2
Step-by-step explanation:

Hope this helps.
Always use PEMDAS as a key. Peretheses, Exponents, Multiplication, Division, Addition, and then Subtraction.
Answer:
1,000
Step-by-step explanation:
47 to 0.047 moves 3 places
47, 4.7, 0.47, 0.047
this means that the power of then used should have 3 0's
making the power of ten 1,000