16 would be the range. The lowest value is 5, and the highest value is 21. You just subtract those two which gives you 16! (:
Answer:
64/49 or 1 and 15/49
Step-by-step explanation:
1. process of exponents turns it into 8/7 ^2
2. Solve and simplify
Step-by-step explanation:
To do this, divide the numerator by the denominator. The result is the decimal form of the ratio. For example, convert 7:2 to a decimal value.
Answer:
A
Step-by-step explanation:
Given
Multiply numerator/ denominator by 
to rationalise the denominator
= 
= 
→ A
