The number must start with 3.2 and the next digit can be anything from 0 to 5. With two exceptions, these can be followed by any sequence of digits.
Exception 1:
Where the third digit is 0, it must have some non-zero number following because otherwise, it will be 3.200... which is 3.2
Exception 2:
Where the third digit is 5, it must have some digit which is not 9 following because otherwise, it will be 3.25999... which is 3.26
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The number would be 7.9 on a number line. What you can do to find this number is go to the spot on the number line that says 7 and 8. Cut the number line between 7 and 8 into 10 pieces. Then count to the ninth peice and this is 7.9
Say if you had the pattern 15 20 25 30 35 40 45 50 To find the nth term you have to see what the gap between the numbers is. In our case this is 5. Then you have to find out what the difference between the gap and the first number. In this sequence it is 10. So your answer would be..... 5n+10 That's how you find the nth term.
64 because 8*8=64. you just have to find the square number.
To find the reciprocal of a whole number, you must first write it as a fraction. You do this by writing x/1, if the number is 4, it would be 4/1. Then you would find the reciprocal of that fraction. So using the same example, the reciprocal of 4 is 1/4.