Question

What is the answer to this one i don’t know it

Answer 1

-4.7 times 10⁴

Explanation:

Check what numbers match: 5.1 times 10⁸ - 9.8 times 10⁴

Subtract and get: -4.7 times 10⁴

Simply put, you subtract the 5.1 and 9.8 like normal and subtract the exponents from the 10⁸ and 10⁴ since they have the same base.

I hope this helps!