Write an expression, using an exponent, that is equivalent to 6×6×6×6×6

What is the lcm of 16 and 40 ? 24 and 40 ?

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”?

If i had 1234 apples and 1 banana what is the total amount