Her estimate is reasonable because there are 12 months in a year. 12×40 is 480. 480 is pretty close to 474.72
Answer:
6.23*10^6
Step-by-step explanation:
We first write the answer in full notation 6,230,000.
Then we count how many decimal places it takes before we have one leading digit. Since it is six, we move the decimal place and write 6.23*10^6
Answer:
12
Step-by-step explanation:
