Question

Look at the photo please

Answer 1

26

Explanation:

solving the left side of the = sign with 26 put in:

8.3 x 10⁴ = 83000

-26 x 10³ = -26000

83000 - 26000 = 57000

solving the right:

5.7 x 10⁴ = 57000

with 26 put in front of the -, both sides become equal, making it true.

Answer 2

Explanation:

b the answer would be b man!