select the correct answer. a classmate finds ...
select the correct answer. a classmate finds that it takes 1.090 seconds for a tossed ball to touch ground. how many significant figures are in this measurement? a. 4 b. 3 c. 2 d. 1
Answer
# Explanation:
## Step1: Recall significant - figure rules
Non - zero digits are always significant. Zeros between non - zero digits are significant. Trailing zeros after a decimal point are significant.
## Step2: Analyze the number 1.090
The digit 1 is significant. The zero between 1 and 9 is significant. The digit 9 is significant. The trailing zero after 9 is significant.
# Answer:
A. 4