In a four-digit number, the first digit cannot be 0, so there are only 4 even numbers available. For the second, third, and fourth digits, there are 5 available numbers. Thus, the number of 4-digit numbers containing only even digits is 4 x 5 x 5 x 5 = 500 numbers.
Answer:
C; 34
Step-by-step explanation:
Same explanation as your previous question.
Answer:
10/-4 or 5/-2
Step-by-step explanation:
use y2-y1/x2-x1 equation.
Answer:
Answer=50
Step-by-step explanation:
hope the picture is good enough for an explanation