True/False
.212121...is a rational number.Please explain why this is true or false.
Correct Answer:

Verified
Correct Answer:
Verified
Q302: Simplify: 2 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg" alt="Simplify: 2
Q303: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg" alt=" +
Q304: Multiply and simplify: (a + b -
Q305: One factor of <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg" alt="One factor
Q306: Rationalize the denominator and simplify: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg"
Q308: One factor of <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg" alt="One factor
Q309: Simplify: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg" alt="Simplify:
Q310: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg" alt=" = A)
Q311: (x + 1)(x - 1)( <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg"
Q312: Given the numbers 4,-7, <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg" alt="Given