Question

I need help with this someone help​

Answer 1

1. 3.5 x 10^4 + 2.76 x 10^5


2. 7.34 x 10^15 - 4.67 x 10^14


3. A. 8.8 x 10^-7

3. B. 24000000

4. A. 200

4. B. 30000

4. B & D. B would be 0.06 x 10^-4 and D would be 0.03 x 10^-10

4. 3.57 x 10^-12 3.75 5.37 x 10^-9 10^9 37,500,000