Estimate the square root of 10 1. Between 3 and 4 and closer to 3
2. Between 2 and 3 and closer to 2
3. Between 3 and 4 and closer to 4
4. Between 2 and 3 and closer to 3

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)