Answer:
1. 1, 2, 5, 10
2. 1, 5, 25
3. 1, 2, 4, 8, 16, 32
4. 1, 3, 9, 27, 81
5. 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
6. 1, 2, 4, 5, 10, 20, 25, 50, 100
7. 1, 5, 25, 125
8. 1, 2, 4, 11, 22, 44
Step-by-step explanation:
Hope this helps!
It will come out to a flat number like 10 20 30 40 ect and the counterfeit will have a 1 at the end such as 11 21 31 41.
Hope i Helped
397,331 is how much they are worth
Answer: 5040 7-digit numbers
Step-by-step explanation:
Permutations:
1: 1 ==> 1 permutation ==> 1 ==> 1!
12: 12, 21 ==> 2 permutations ==> 1*2 ==> 2!
123: 123, 132, 213, 231, 312, 321 ==> 6 permutations ==> 1*2*3 ==> 3!
7-digits: 7!=
1*2*3*4*5*6*7=5040 7-digit numbers
X
4
−34x
2
+225=0
2 Factor
x
4
−
34
x
2
+
225
x
4
−34x
2
+225.
(
x
2
−
25
)
(
x
2
−
9
)
=
0
(x
2
−25)(x
2
−9)=0
3 Solve for
x
x.
x
=
±
5
,
±
3
x=±5,±3
