Question

medal! & i'll fan everyone who answers.
if t= the tens digit, which expression shows the value of interchanging the digits in a two digit number?
A. u+t
B. 10u+t
C. u+10t

Answer 1

if you had \(23\) and interchanged them you would get \(32\) which is \(10\times 3+2\)

Answer 2

if you had \(tu\) and changed them, you would have \(ut\) which is \(10\times u+t\)

Answer 3

so is it b or c?

Answer 4

i would go with b

Answer 5

thanks you're very helpful