Which statement describes the concept of number sense?

a. an ability to solve numerical equations

b. an ability to add, subtract, multiply, and divide

c. an ability to use formulas to calculate a solution

d. an ability to understand numbers and their relationships

What is the value of y? round to the nearest tenth

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Write the following as a base and exponent