![Jasten](/avatars/9415.jpg)
Jasten
01.09.2019 •
Mathematics
If a and b are distinct positive integers. the units digit of a2 is equal to the units digit of a, and the units digit of b2 is equal to the units digit of
b. if the units digit of a·b is equal to neither the units digit of a nor the units digit of b, then what is the units digit of a·b?
Solved
Show answers
More tips
- H Health and Medicine Discover the Hidden Principles and Real Results of the Japanese Diet...
- H Health and Medicine Understanding Pregnancy Tests: What You Need to Know?...
- H Health and Medicine What Makes a Man a Man?...
- C Computers and Internet How to Get Rid of Spam in ICQ?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
- F Family and Home How to Get Rid of Your Neighbors?...
- S Society and Politics How Could Nobody Know About the Dead Mountaineers?...
- H Health and Medicine How to Cure Adenoids?...
- H Health and Medicine Why Wearing a Back Brace Can Be Beneficial During Back Strain?...
- S Sport When and Where Will the 2014 World Cup be Held?...
Answers on questions: Mathematics
- M Mathematics The mode interval in a histogram is the interval that has the highest frequency. a. true b. false...
- M Mathematics Which of the following sets represents the range of the function shown? {(–3, 4), (5, 11), (9, –1), (10, 13)} a: {–3, 5, 9, 10} b: {–1, 4, 11, 13} c: {(4, –3), (11,...
- M Mathematics 14,269 14,361 14,470 14,831 16,237 14,270 14,370 14,494 14,950 16,390 14,286 14,410 14,500 15,300 16,500 14,294 14,420 14,530 15,638 17,400 14,309 14,421 14,573 15,885...
- M Mathematics Aschool bought 25 new computers. the total cost for the computers was $19,245.each computer cost the same amount.what was the cost for each computer?...
- M Mathematics Ivan saves 20% of his monthly music equipment he earned $335 last month. how much did he save for music equipment? if he uses $20.10 of what he earned to buy sheet...
- M Mathematics What is 5.708 • 10 to the negative 8th power...
- M Mathematics In a line of students, jenna is number 8.the teacher says that a rule for a number pattern is add 4. the first student inline says the first term, 7. what number should...
- M Mathematics Acircular pond is to be surrounded by a gravel path to find the square feet of gravel needed if we know the pond has a radius of 200 ft and the radius of the whole...
- M Mathematics Express sin(3theta) in terms of sin (theta)...
- M Mathematics Write a subtraction fact with the same difference as 16-7...
Ответ:
Now let's try all the combinations of these:
1*5=5, not good since 5 is already used.
1*6=6, not good since 6 is already used.
5*6 =30, unit digit 0, not used!!
so a*b has units digit 0.
Ответ:
D
Step-by-step explanation: