233k views
2 votes
Whats 7x10 to the -8 power + 2 x 10 to the -8 power

User Sietse
by
8.8k points

1 Answer

6 votes
9x10 to the -8th power.

Since the numbers are both x10^-8, you can simply add 2 and 7. If you would rather look at it as:
0.00000007 + 0.00000002 = 0.00000009 = 10x10^-8
then you will get the same answer.
User Joecks
by
8.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.