0.68 g express your answer as an integer.

This unit is equal to

Explanation:

An integer is defined as a whole number which can be positive, negative or zero. This cannot be written in fractions or decimals.

The given number in the question is written in decimal form. So, to convert it into a integer, we will convert the unit of 'grams' to 'micrograms'.

To convert grams into micrograms, we use the conversion factor:

Converting 0.000068 g into micrograms, we get:

The above number is a positive integer. Hence, this unit is expressed in integer and is equal to

the correct answer is option d

explanation:

i was wrong its d because they dont use cm when calculating square roots