Comparing Numbers and expanded notation practice

Jose's school has 400 students. Sandra's school has 10 times more students.  How many students go to Sandra's school?

Which of the following numbers shows the digit 7 with a place value that is 10 times the value of he 7 in the number 2,475 ? 1,756 1,237

Which symbol would you use to compare the following numbers? 89,290 ___ 89,210

What is the value of the 7 in the number 1,783,243,589? 700,000,000 70,000 7,000

Which symbol would you use to show the correct comparison? 431,900 ____ 441,900