Express 1010two to base ten​

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

What is not true about kl and mn? what is mn? (show your work)

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?