Answer:

Step-by-step explanation:
3.482 x 10^9.
-the coefficient must be under 10, and in this case it is the "3". Then you count the places after that to get your exponent
Answer:
2/5
Step-by-step explanation:
Answer:
answer is yes it does have some fun and easy way out
Answer:
6
Step-by-step explanation:
you first divide 81 by 18 and get 4.5, that is the number of children per adult.
next you'll divide 27 by 4.5 and 6.
that's the answer.