Answer:
13
Step-by-step explanation:
because
N= x+15 where n = nina, x = the amount hiked together and the 15 is how much she already walked.
Answer:

Step-by-step explanation:
The given expression is
.
This expression is the same as;
.
Or
.
We regroup the terms to obtain;

We simplify to get

Answer:
3 digits to the left side
Step-by-step explanation:
The decimal point will move 3 digits to the left side when dividing a decimal by 10³.