



The correct answer is <u><em>6.9</em></u>
Hope this helps!!!
See attachment for your your Answer
Convert them all to 10 in the denominator.
4/10, 5/10, 1/10, 2/10, 4/10
Now which ones are greater than 2/5?
5/10 only.
To make a neutral charge the protons and electrons need to cancel out therefore 8 electrons
Answer:
Step-by-step explanation:
90*4 tests would be 360
360-70-98-94=98
Jamie will need at least a 98 to keep an average of 90%