Question

question 22 of 30 look at the data in the table below. which measurement has five significant figures? time (s) 1 2 3 4 5 velocity (m/s) 0.275 750 10.4×10^5 11,890 320,050 a. 11,890 b. 750 c. 10.4×10^5 d. 320,050

Explanation:

Step1: Analyze A: 11,890

Trailing zero (no decimal) not significant. Sig figs: 1,1,8,9 → 4.

Step2: Analyze B: 750

Trailing zero (no decimal) not significant. Sig figs:7,5 → 2.

Step3: Analyze C: 10.4×10⁵

Coefficient 10.4 has 3 sig figs (1,0,4).

Step4: Analyze D: 320,050

Zeros between 2 and 5 are significant. Sig figs:3,2,0,0,5 → 5.

Answer:

D. 320,050