Round whole numbers105,509 the first 5 being the bold faced digit
To identify the boldfaced digit in the number 105,509, you can use the positional notation system.
In the positional notation system, each digit in a number holds a specific place value based on its position. The rightmost digit represents ones, the second rightmost represents tens, the third rightmost represents hundreds, and so on.
Let's break down the number 105,509:
- The first digit on the left is boldfaced: 1 (This is the hundreds place).
- The second digit from the left is 0 (This is the tens place).
- The third digit from the left is 5 (This is the ones place).
- The fourth digit from the left is 5 (This is the tenths place).
- The fifth digit from the left is 0 (This is the hundredths place).
- The remaining digits after the boldfaced digit are insignificant in this case and do not affect the boldfaced digit.
Therefore, the boldfaced digit in 105,509 is 1.