Step-by-step explanation:
I hope it helps man this much .
Answer:
A. thats the answer
Step-by-step explanation:
carry on learning
Answer:
Step-by-step explanation:
It is already in standard form and can be expressed in scientific form as:

4d=56
d=14. Ad a result, Dorothy is 14 years old. Hope it help!
It’s A
As it says in the answer, you usually add / subtract the exponents when needed.