Answer: B) 5040
Step-by-step explanation:
Since total number of digits are 10 ( which are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
And, According to the question, website requires a four-digit numerical password in which the digits cannot repeat.
Therefore, required possible arrangement = 
=
= 
= 
= 10 × 9 × 8 × 7 = 5040
Thus, The required possible password is 5040.
Answer:
-31=8
Step-by-step explanation:
Answer:
61 cm for each book shelf.
Step-by-step explanation:
First it gives you the width of the boxes so you add them together
132 + 108 + 94 = 334
so 334 cm has already been used out of 456 cm.
Next you will 456 - 334 = 122 cm left over
if they are building 2 book cases you with take what cm's you have left and divide it by 2
122 / 2 = 61
So that means each book case will be 61 cm's wide
You are close : 0.000000307
-4 for the first one and 2/3 for the second