Step-by-step explanation:
2a = 10 because a = 5 and 2a means 2 × a which is the same as 2 × 5 and this equals 10.
hope this helps
Answer:
Step-by-step explanation:
c
How many 5-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, if repetitions of digits are allowed?
valentinak56 [21]
50 different 5-digit numbers because it would be 5x10 which equals 50.