Which of the following pairs is not correctly written in scientific notation? 1,207,000 = 1.207 × 106 6,500 = 6.5 × 102 901 = 9.01 × 102 40,200 = 4.02 × 104

6,500 = 6.5 × 10² is not written correctly.

Step-by-step explanation:

In the scientific notation we write a very large or very small number in easy notation of the product of a number between 0 to 9 and exponent of 10,

For this,

If we move decimal to the left side then the exponent of 10 is positive number of shifting,

While, if we move decimal to the right side then the exponent of 10 is negative number of shifting,

By the above explanation,

15

step-by-step explanation:

19

step-by-step explanation: