Eas
permutations
5 digits
5*4*3*2*1=120 ways
if you count 0 in front of the number as a whole number
if you don't, then there are 96 ways
If the rate at which they are giving the DVDs is the same then it is 4/65 or 16.25% or 0.1625.
Now just multiply 455 by the rate (4/65 or 16.25% or 0.1625) to find how many DVDs were given.
455 × (4/65) = 28
28 DVDs were given away
hope it helps :)
Answer:
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Step-by-step explanation:
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Answer: 16
Step-by-step explanation:
Total number of laptops ordered= 650
Number of laptops tested= 40
Number of laptops that takes more than 30 seconds to start up= 1
To get the number of laptops that will take 30 seconds to start in the whole shipment goes thus:
Let the number of laptops that will take more than 30 seconds be represented by y.
1 : 40 = y : 650
1/40 = y/650
Cross multiply
40y = 650
y= 650/40
y= 16.25 which approximately gives 16.
There are expected to be 26 laptops that takes more than 30 seconds to start.
Let's see -
We already know that a number raised to a certain power means repeated multiplication, right? So, all we have to do is multiply 5 × 5 × 5 × 5
436 times! I know, big, right?
This WILL give you a decimal answer and a + sign, so please don't be confused with me!
5 raised to the 436th power is going to give you
= 5.635362925894614e + 304
Crazy, right?
↑ ↑ ↑ Hope this helps! :D