Answer:
See explanation
Step-by-step explanation:
Consider the expression
First, factor it:
Note that
Then
This shows that number 100 is a factor of the expression and, therefore, this expression is divisible by 100.
28% of the amount of Keith’s savings is 350. How much money does Keith have in savings
1 answer:
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Hope this helps please mark as brainliest
A set of 
elements has 
possible subsets, where two classes of those sets are the empty set (1) and all the possible singleton sets (). So a set of elements has 
possible subsets with more than one elements. For Q1 take 
.
Q2a. Assuming not containing the same digits twice also includes not numbers with three or four of the same digit, and assuming digits are chosen from the usual 0-9, there are
possible strings.
Q2b. The first three digits can be chosen freely from 0-9, while the last digit has to be one of 0, 2, 4, 6, or 8. This means you have
possible strings
Q2c. Any such string will take the form
, 
, 
, or 
, where 
has 9 possible choices (0-9 excluding 9, since we want exactly three 9s in any such string). So there are
possible strings.
Q2a. Assuming not containing the same digits twice also includes not numbers with three or four of the same digit, and assuming digits are chosen from the usual 0-9, there are
possible strings.
Q2b. The first three digits can be chosen freely from 0-9, while the last digit has to be one of 0, 2, 4, 6, or 8. This means you have
possible strings
Q2c. Any such string will take the form
possible strings.