Answer:
I believe it's d
Step-by-step explanation:
I've took the test before
Answer:
9^7
Step-by-step explanation:
Answer:
Permutation is used.
No. of arrangements = 1260
Step-by-step explanation:
Permutation is used for choosing & arrangement of 'r' out of 'n' objects, when sequence is important.
Total no. of alphabets in CORRECT = 7
C is repeated twice, R is repeated twice
So, Total No. of arrangements = <u>7 !</u>
(2!)(2!)
= 5040 / 4
= 1260
Answer:
the answer is 3 and 90 that's all
