400,000 milligrams because 1 gram is 1000 milligram.
Answer:

Step-by-step explanation:
First, multiply the 3 and the 7 together, and then "multiply" the exponents -8 and 3. (However, when "multiplying exponents, you're really just adding them together: -8 + 5)
(
)^2
Then, multiply the -5 and -2 together, giving you:

Answer:
x=12
Step-by-step explanation:
The answer is that I think it is 5
2x3=6
3x2=6
6 divided by 2=3
6 divided by 3=2