Simplify P-6 × P3 × P2 ÷ P4 × P0
p5
p4
p3
p-3
p-5
Correct answer is E
No explanation has been provided for this answer.
Find the standard deviation of the numbers 6, 9, 10, 8 and 7
1.4
2
2.4
5
8
Correct answer is A
No explanation has been provided for this answer.