What number has 7 hundreds 9 tens and 7 ones?
The number with 7 hundreds, 9 tens, and 7 ones is 797. In the base-10 number system, each place value represents a power of 10. Therefore, 7 hundreds represent 700 (7 x 100), 9 tens represent 90 (9 x 10), and 7 ones represent 7. When you add these together, you get the number 797.