The time it takes the population of a microorganism to reduce by half is 0.000027503 of a year. What number is the best estimation of this quantity?

Question

(1 point)
0.01

0.00003

0.03

• 0.00002

Answer 1

To find the best estimation of the quantity \( 0.000027503 \) of a year, we can round it to a more manageable figure.

1. Look at the value: \( 0.000027503 \).
2. The first non-zero digit is 2, in the fourth decimal place.
3. If we round \( 0.000027503 \) to two significant figures, we get approximately \( 0.00003 \).

Given the choices, the best estimation of \( 0.000027503 \) of a year is:

0.00003