What is the sum of 76.05 kg and 4.0 kg

Question

What is the sum of 76.05 kg and 4.0 kg

Answer 1

76.05 kg

+ 4.0 kg

80.05 kg but there cannot be any digits to the right of the tenths place, so

80.1 kg is the answer with the correct number of significant digits

Answer 2

76.05 kg

+ 4,0 kg

80.05 kg but answer cannot have any digits to the right of the tenths place

80.1 kg has the correct number of significant figures