Question

This is a bit confusing for me, can someone explain, or just do it for me to show? Thank you!

Answer 1

Answers:

Row 1: 4 sig digits, 1.705*10^4

Row 2: 5 sig digits, 1.9080*10^-5

Row 3: 300, 1 sig digit

Row 4: 0.00246, 3 sig digits