If π is rounded to a whole number, what is a reasonable estimate for the circumference of a circle with a diameter of 9 cm?
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Answer:
Seven numbers.
Step-by-step explanation:
Finding the numbers, which are equal to the sum of two odd number and it has to be single digit number.
Lets look into numbers which are odd and single digit.
1 =
∴ Sum of the number is
3 =
∴ Sum of above number is
5 =
∴ Sum of above number is
7=
∴ Sum of above number is
Now, accumlating numbers which are fullfiling the criteria, however, making sure no number should get repeated.
∴ Numbers are:
Hence, there are total 7 numbers, which are equal to the sum of two odd, one-digit numbers.