how many significant figures are in the measurement 16.400 g? 16.400 has ? significant figures.

how many significant figures are in the measurement 16.400 g? 16.400 has ? significant figures.
Answer
Explanation:
Step1: Recall significant - figure rules
Non - zero digits are always significant. Zeros between non - zero digits are significant. Trailing zeros in a number with a decimal point are significant.
Step2: Analyze the number 16.400
The digits 1, 6, 4 are non - zero and thus significant. The two trailing zeros after the decimal point are also significant.
Answer:
5