456, 930, 1860, 3720, ?
1 answer:
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The number of different codes does this lock provides is 360.
Given that,
- There is the combination lock having push buttons from A to F (6 buttons)
- Out of this, four should be in any order.
- Also, the push button should not be used more than once.
Based on the above information, here we use permutation which is as follows:
= 360
Therefore we can conclude that the number of different codes does this lock provides is 360.
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Answer:
Therefore Nat deposited $500 when he opened the account.
Step-by-step explanation:
Given that Nat opened an account that earns 1.4% simple annual interest. He will earn $21 total interest after t years.
The simple interest formula is
I= interest= $21
P= Principal=?
t= time in year= 3 years.
r = rate of interest= 1.4%= 0.014
=$500
Therefore Nat deposited $500 when he opened the account.