Use scientific notation to determine which of these numbers has the least value 123, 893,31,892, or 12,786 write your answer in scientific notation express to the exact decimal place

Answer 1

To determine which number has the least value, we need to convert all the numbers into scientific notation.

123 = 1.23 x 10^2
893 = 8.93 x 10^2
31,892 = 3.1892 x 10^4
12,786 = 1.2786 x 10^4

From these representations, we can see that 1.23 x 10^2 has the least value.