A group of mathematical symbols that express a relationship or that are used to solve a problem is a FORMULA
Answer:
n=4
Step-by-step explanation:
Answer:
<em>is your answer.</em>
Step-by-step explanation:

7 is the right answer(please rate 5.0 stars so i can help other people out thanks)
Scientific notation is a system for expressing very large or very small numbers in a compact manner. It uses the idea that such numbers can be rewritten as a simple number multiplied by 10 raised to a certain exponent, or power.