Answer :

To round each of the numbers to one significant figure:

a. 0.0499: The first significant figure is 4. Rounding to one significant figure gives 0.05.

b. 0.983: The first significant figure is 9. Rounding to one significant figure gives 1.0.

c. 0.04932: The first significant figure is 4. Rounding to one significant figure gives 0.05.

So, rounded to one significant figure:
a. 0.0499 → 0.05
b. 0.983 → 1.0
c. 0.04932 → 0.05

Answer:

0.0500 to 1 s.f

1.000 to 1 s.f

0.05000 1 s f

Step-by-step explanation:

a) 0.0499 = 0.0500 to 1 s.f

b) 0.983 = 1.000 to 1 s.f

c) 0.04932 = 0.05000 1 s f