Question

which one of the following is a rational number
a) log5 to the base 10
b) 5.32 bar.....bar is for only 32
c) 143.12
d) 10/18​

Answer 1

Answer:

Ans is option no. C is correct..

Answer 2

option (c)

143.12 is a rational number.

Step-by-step explanation:

A rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.[1] Since q may be equal to 1, every integer is a rational number.

here,

a) log5 to the base 10

value of log 5 to base 10 is 0.698......

(b) 5.32 bar = 5.323232.....

(c) 143.12

(d) $\frac{10}{18}$ = 0.5555.....

The decimal expansion of a rational number always either terminates after a finite number of digits or begins to repeat the same finite sequence of digits over and over

therefore , from above only 143.12 terminates after a finite digits

hence,

option (c)

143.12 is a rational number.

#Learn more:

If log 2base 10=x then find log5 base 10

https://brainly.in/question/4304472