The number of seconds in exactly 30 days is
A) $2.5920 \times 106$.
B) $2.592000 \times 106$.
C) $2.59 \times 106$.
D) $2.592 \times 106$.

Question

Quizplus · Accepted Answer

There are 24 hours in a day, 60 minutes in an hour, and 60 seconds in a minute. Therefore, the number of seconds in 30 days is $30 \times 24 \times 60 \times 60 = 2,592,000$, which is option B when written in scientific notation as $2.592000 \times 10^6$.

The Number of Seconds in Exactly 30 Days Is A) 2.5920×1062.5920 \times 1062.5920×106

The Number of Seconds in Exactly 30 Days Is
A) $2.5920 \times 106$