To find percent error you use the following formula:

% error = (1.6 - 1.9)/1.9 * 100% = 15.79%
Answer:
29
Step-by-step explanation:
It doesnt round up because its under 29.5
therefore it goes down to 29
Answer:
it's 4
Step-by-step explanation:
big brainnnnnnnnnn
I hated probability in middle school. I'm not 100% sure but I would go with the 3rd answer choice, 3/100.
Answer:
-4
Step-by-step explanation:
5 x(-4) = -20
50 - 20 = 35