Place Value Chart and Word Form of 70,509

Place Value Chart:
- 7 ten thousands
- 0 thousands
- 5 hundreds
- 0 tens
- 9 ones

Word Form:
- Seventy thousand five hundred nine

Explanation:
To write the place value chart of a number, we need to understand the value of each digit in the number. In the number 70,509, the digit 7 is in the ten thousands place, which means it has a value of 7 x 10,000 = 70,000. The digit 0 is in the thousands place, so it has a value of 0 x 1,000 = 0. The digit 5 is in the hundreds place, so it has a value of 5 x 100 = 500. The digit 0 is in the tens place, so it has a value of 0 x 10 = 0. Finally, the digit 9 is in the ones place, so it has a value of 9 x 1 = 9. Therefore, the place value chart of 70,509 is 7 ten thousands, 0 thousands, 5 hundreds, 0 tens, and 9 ones.

To write the word form of a number, we simply need to read the digits in groups of three from right to left, starting with the ones place, and add the corresponding place value names. In the case of 70,509, we have 9 ones, 0 tens, and 5 hundreds, which gives us five hundred nine. Then, we have 0 thousands, which we can skip, and finally, we have 7 ten thousands, which gives us seventy thousand. Therefore, the word form of 70,509 is seventy thousand five hundred nine.