8.8 can be written as the fraction 
Therefor, it is a rational number. Only numbers that cannot be written as a fraction are irrational
Answer:
a)
Step-by-step explanation:
is approximately 17.8
17² = 289
18² = 324
315 is between 289 and 324
Answer:
Step-by-step explanation:
as a % = 3/1000 × 100 = 3/10 = 0.3 %
as a decimal = 3/1000 = 0.003
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12 - x = 5
Subtract 12 from both sides
12 - 12 - x = 5 - 12
- x = - 7
Divide both sides by -1
-x/-1 = -12/-1
x = 7