Answer:
It's 63,000 milligrams
Step-by-step explanation:
Multiply the mass by 1000, and you get your answer, 63 x 1000 = 63000
Answer: r+7
Whatever his age is now, we add 7 to it. So we simply add 7 to r getting r+7.
Example: Say he is 10 years old now
r = 10
r+7 = 10+7 = 17
meaning he will be 17 seven years from now
Answer:
Step-by-step explanation: