Why is 0.3 a rational number a. it is on the number line. b. the number can be written as a ratio of two integers. c. it is a decimal. d. the numbers can not be written as a ratio of two integers.

Answer : B. The number can be written as a ratio of two integers.

Explanation : In mathematics, a rational number is any number that can be expressed as a ratio of two integer numbers, being a non-zero denominator.

0.3 can be written as 3/10

by definition, an arc subtended by a central angle of some given measure has the same measure. so .

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value