use scientific notation to determine which of these numbers has the least value: 123,893,31,892, or 12,786. Write you answer in scientific notation, expressed to the exact decimal place
To compare the numbers and determine which has the least value, we need to convert all the numbers into scientific notation.
1) 123,893 = 1.23893 x 10^5
2) 31,892 = 3.1892 x 10^4
3) 12,786 = 1.2786 x 10^4
Comparing the three numbers in scientific notation:
1) 1.23893 x 10^5
2) 3.1892 x 10^4
3) 1.2786 x 10^4
From these values, we conclude that 1.2786 x 10^4 has the least value.
To determine which of these numbers has the least value using scientific notation, we need to convert them all into scientific notation and compare their exponents. The number with the smallest exponent will have the least value.
Let's convert each number into scientific notation:
123,893 = 1.23893 × 10^5
31,892 = 3.1892 × 10^4
12,786 = 1.2786 × 10^4
Comparing the exponents, we can see that 12,786 in scientific notation (1.2786 × 10^4) has the smallest exponent. Therefore, it has the least value.
Expressed to the exact decimal place, 12,786 in scientific notation is 1.2786 × 10^4.
To determine which of these numbers has the least value using scientific notation, we need to convert each number into scientific notation and compare their exponent values.
Let's start with the given numbers:
1. 123 = 1.23 × 10^2
2. 893 = 8.93 × 10^2
3. 31,892 = 3.1892 × 10^4
4. 12,786 = 1.2786 × 10^4
By comparing the exponent values, we can see that the number with the least value in scientific notation is 1.23 × 10^2.
Therefore, the answer is:
123 in scientific notation expressed to the exact decimal place is 1.23 × 10^2.