Answer:
2.191 ·
Step-by-step explanation:
0.002191
9 times the numbers 1 to 10
9*1,9*2, 9*3, 9*4, 9*5, 9*6,9*7, 9*8, 9*9, 9*10
-15
-3(2)2-4(2)+5
-12-8+5
-20+5
5-20= -15