Question

To divide 572 ÷ 4, Stanley estimated to place the first digit of the quotient. In which place is the first digit of the quotient?

Answer 1

It's about estimation, so we don't need to divide. So let's round up the number to see it more clearly: 

572 can be rounded up to 600, let's leave 4 as it is, since it's just one digit. 

we see that 6 is bigger than 4, so the result will look like this : 1xx 

so we see, it will be at least a 100, and the first digit will be in the hundred's place - that's the correct answer!