Question

Which number is greatest?

Answer 1

B

Explanation:

its right

Answer 2

In the scientific notation we have two possible cases:

1) If the exponent is negative, the decimals move to the left

2) If the exponent is positive, the decimals are turned to the right.

We have then the following numbers:

`image`

Answer:

Therefore, the largest number is:

`1.997 * 10 ^ 2 = 199.7`