The distance from the sun to mars is an average of 2.1¯ times the distance from the sun to venus. how can this repeating decimal be expressed as a fraction? a. 21/10 b. 20/9 c. 19/9 d. 19/8 explain i'm having trouble and want to study for a test

The correct option will be:  C.

Explanation

The repeating decimal given is:   which means 2.1111111111..........

Suppose, the given number 2.1111111111.......... as

Here the repeating digit is 1 . First, we need to move the decimal point after the repeating digit. So we can do that by multiplying both sides by 10. Thus....

Now subtracting the above two equations , we will get.....

So, the given repeating decimal be expressed in a fraction as

answer: a and b

step-by-step explanation:

its totaly b

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