Estimate the given number to nearest tens:74

A. 60
B. 70
C. 80
D. 100

Answer: B

To estimate the number 74 to the nearest tens, we look at the digit in the tens place, which is 7. Since it is greater than or equal to 5, we round up the units place to 10. Therefore, when rounded to the nearest tens, the number 74 becomes 70.