The option which is not true regarding sets of numbers is that C. all rational numbers are integers.
Integers are whole numbers such as 2, 6, -5, etc., and rational numbers are fractions.
The answer to your question is : B. 5 * 1\4
Work :
5\1 * 1\4 = 5\4
80,000 + 5,000 + 700 +8 = 85,708....<span>standard form
hope it helps</span>
B. triangle and triangular prism