A rational number times a rational number=rational numberan irrational number times a rational number=irrational number
remember, a rational number is a number that can be written as a/b where a and b are integers and b≠0
A is irrational because the pattern doesn't repeatb is irrational because it's a crazy square rootC is irrationalD is not irrational, it is a fraction
answer is D
What are you asking here i think it should be 20:100
Answer:
3
Step-by-step explanation:
7.2 ÷ 2.4 = 3
(a + 2b) • (a2 - 2ab - 4b2)