Question

I beg someone to answer ive posted this 3 times and im still not sure how to do it.....

Which of the following is the best estimate for the number of seconds which have elapsed since the start of the year 2000?

(note: date was June 2001)

A) 3 X 10⁴
B) 3 x 10⁵
C) 3 x 10⁶
D) 3 X 10⁷
E) 3 X 10⁸​​

(with working out please​)

Answer 1

D) 3 X 10⁷

Explanation:

Estimated days:

• Jan 2000 to June 2001 = 1.5 years = 365*1.5 days ≈ 548 days

• 1 day = 24 hours = 24*60 minutes = 24*60*60 seconds =

• 86400 seconds

• 548 days = 548 * 86400 seconds =

• 47347200 ≈ 4.7*10⁷

Best estimate is D) 3 X 10⁷