Question

73.4 km to m then answer in correct number of significant numbers

Answer 1

To determine the number of significant figures in a number use the following 3 rules:

To determine the number of significant figures in a number use the following 3 rules:Non-zero digits are always significant.

To determine the number of significant figures in a number use the following 3 rules:Non-zero digits are always significant.Any zeros between two significant digits are significant.

To determine the number of significant figures in a number use the following 3 rules:Non-zero digits are always significant.Any zeros between two significant digits are significant.A final zero or trailing zeros in the decimal portion ONLY are significant.