I think it is a statistical question
Angles 1, 3, 5, and 7 each equal 50 degrees
180 - 50 = 130
Angles 2, 4, 6 and 8 each equal 130 degrees
Answer:
1 over 8
Step-by-step explanation:
Answer:
d.81
Step-by-step explanation:
81 can be represented by a 9x9 square grid. The rest of the numbers would be represented on rectangular grids.
33/3030x4/3030=132/9180900
9180900-132=9180768
9,180,768 selections will contain no defective calculators. Hope this helps.
