It's C. In order to be in standard form you have to have all your exponents in descending order. They don't all have to be there in order, the ones that are just have to go from highest to lowest.
Answer:
Before Christ
Step-by-step explanation:
This is a historical term which is the opposite of AD(Anno Domini)
I do not know if I have spelt Anno Domini correctly but it does not matter
Answer:
ik bro sorry I didn't get back to you in a little bit and then I'll
Answer:
9.75 Average age
Step-by-step explanation: