Answer:
7.1 x 10³
Step-by-step explanation:
Move your decimal so that it follows your first whole number greater than zero. The number of places you moved the decimal is the same as the exponent. Since the number 7.1 needs to INCREASE to be 7,100, then the exponent is positive.
7.1 x 10 (note the 3 is an exponent)
1. Count how many places there are to the right of 7
2. There are 3
3. Apply the formula of scientific notation a x 10
4. 7.1 x 10 (remove all digits after 7.1
Hope this helps :)
C≈23.25in
It's cicumference is 23.23 inches.
290,000 is rounded to the nearest ten thousand
