Answer:
-21
Step-by-step explanation:
3×(-7) = - 21
Three times minus seven equals minus twenty one.
Answer:
1/8;17/20;But I don't really understand take them out separately or at the same time, the secondary answer is 17/180
Step-by-step explanation:
P1=5/40=1/8,that means there is 5 different balls in forty balls you can take,the situation you take the ball is 40,but the situation you take the different one is five so the possibility you take the different on is 5/40=1/8.
the next answer is just like how we do during the first question
Answer:
18(<) 7= False
Step-by-step explanation:
1)-9×2=18
2)18(<) 7
3) The equation is Fasle.
