Question

question 8 points 1 which of the following numbers has more significant digits? 321.56 0.1 205 2.4

Explanation:

Step1: Count sig figs for 321.56

All non-zero digits and the decimal digit are significant: 3,2,1,5,6 → 5 significant digits.

Step2: Count sig figs for 0.1

Leading zeros are not significant; only 1 is significant → 1 significant digit.

Step3: Count sig figs for 205

Zeros between non-zero digits are significant: 2,0,5 → 3 significant digits.

Step4: Count sig figs for 2.4

All non-zero digits are significant: 2,4 → 2 significant digits.

Step5: Compare the counts

5 > 3 > 2 > 1, so 321.56 has the most.

Answer:

321.56