<span>the work shown is not correct. When the distributive property was used, the -10i should have changed to +10i, making the sum 8+12i. </span>
Answer:
45 ways
Step-by-step explanation:
5*3*3 = 45
No, because the coin has 2 sides so it mostly likely wont let on heads them 20 times. Hope i helped u :)