Country S has 12,345,000 residents who tested positive for Covid-19. What is the largest place value of the numeric part of this quantity? What is the number?

The largest place value of the numeric part of 12,345,000 is in the millions place.

The number is 12,345,000.

The largest place value of the numeric part of 12,345,000 is the millions place value.

The number is 12,345,000.

To determine the largest place value of the numeric part of the quantity 12,345,000, we need to understand place value notation. In the Hindu-Arabic numeral system (the most commonly used numeral system), each digit in a number has a place value based on its position within the number.

In 12,345,000, the largest place value is the millions place, which is on the leftmost side. So, the largest place value of the numeric part is in the millions.

To identify the number, we can simply remove the commas from the original quantity. Removing the commas from 12,345,000 gives us the number 12345000.