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16
Zero
3.2 is the answer as 0.32 is the original number.
If the number n would be multiplied by 5, we have its 500%. If it is divided by 5, then we have its 20%. So the mistake is 480%.
The number is 15
Positive numbers always result in positive numbers when added, divided, or multiplied by another positive number.
The result of the expression 5 multiplied by 3, divided by 2, plus 4, minus 1 is 10.
9/1 18/2 27/3 endless possibilities... The result of any number multiplied by 9, then divided by the number equals 9 :-) Any number can be divided by 9 if its sum of digits can be divided by 9.
No, a nonprime number multiplied by a nonprime number will be a nonprime number.
Undefined: You cannot divide by zero
Square number.
The number that can be multiplied by a fraction to get a result of 1 is the reciprocal of the fraction. Apart from zero, all real numbers have reciprocals.