In the formula =round(d4: f4,0, what does the zero indicate?
a. the number of times the formula should be repeated.
b. the number of decimal places in the rounded number.
c. the value for cell f4.
d. a null value.

3. what is the output of the following statements? temporary object1; temporary object2("rectangle", 8.5, 5); temporary object3("circle", 6, 0); temporary object4("cylinder", 6, 3.5); cout < < fixed < < showpoint < < setprecision(2); object1.print(); object2.print(); object3.print(); object4.print(); object1.set("sphere", 4.5, 0); object1.print();