0
Still curious? Ask our experts.
Chat with our AI personalities
Devin
Coach
EzraAdd your answer:
Earn +20 pts
What is a fraction operation that creates groups of numbers?
if you take a vector (= group of numbers) and you divide it by a scalar (=one number) then you get a vector (=group of numbers)
When you multiply a fraction times a fraction the product will be smaller than either factor Why?
When you multiply two numbers greater than one, you create many groups of a given number, so the result is greater than either the number of groups or the number you created many groups of. When you multiply a number by a number less than one, you create less than one group of a given number. If you create only part of one group of a given number, it makes sense that the result will be less than the number you started with.
When you divide how do you know if you are finding the number in each group or the number of equal groups?
When you have finished dividing, the divisor (the number you divided BY) and thequotient (the answer you got) together, are both of those numbers, either way.Either of them can be the number of equal groups, and then the other one is thenumber in each group.
Why is 5 multiplied by 0 equals 0?
Imagine you have apples that you have put into groups, with each group having 5 apples in it. If you take one group, you have 5 apples. This is the same as 5 x 1. 5 is how many apples per group you have. 1 is how many groups you take. If you take two groups of apples, you have 10 apples. This is the same as 5 x 2. Now consider if you don't take any groups of apples. How many apples would you have? You wouldn't have any. This is the same as 5 x 0.
What is the probability that 2 digit whole number contains an 8?
9/50 20% If you separate the 90 two-digit numbers into groups of 10, 8 groups have 1 each and one group has 10, making a total of 18. 18/90 = 1/5 = 20%
