Place Value of 42.839

Every number consists of digits in specific positions that determine its value. The number 42.839 has a unique place value breakdown that helps us understand how each digit contributes to the overall number.

Place Value Breakdown for 42.839

Whole Number Part

Tens	Ones
2 What is the place of 2 in 42.839	4 What is the place of 4 in 42.839

Decimal Part

Tenths	Hundredths	Thousandths
8 What is the place of 8 in 42.839	3 What is the place of 3 in 42.839	9 What is the place of 9 in 42.839

What Does This Mean?

In our base-10 number system, each position represents a different power of 10:

Digits to the left of the decimal point represent whole numbers (ones, tens, hundreds, etc.)
Digits to the right of the decimal point represent fractions (tenths, hundredths, thousandths, etc.)
Each position's value is 10 times greater than the position to its right

Expanded Form

When we write 42.839 in expanded form, we show exactly how each digit contributes to the total value:

2 × 10⁰ + 4 × 10¹ + 8 × 10^-1 + 3 × 10^-2 + 9 × 10^-3

Real-World Applications

The number 42.839 could be used in various real-world scenarios:

Currency
$42.839

Measurement
42.839 meters

Scientific Data
42.839 units

Academic Scores
42.839 points

Teaching Tips

Understanding place value is fundamental to mathematics. Here are some tips for educators:

Use physical manipulatives like base-10 blocks to represent different place values
Practice reading large numbers by breaking them into groups of three digits
Compare numbers with the same digits in different orders to highlight place value
Connect place value to everyday contexts like money and measurement