Take the 89 times 5 tests. You get 445 total score you need for an average of 89. Add 82, 89, 92, 87=350 445-350=95 They must get a 95 on next test to get the average of 89
The simplified expression of 
is 
.
Solution:
Given expression is 
.
To simplify the given expression.
Using exponent rule: 
Using another exponent rule: 
Using exponent rule:
Hence the simplified expression of is .
To get you answer multiply .3 and 2.7
Yes, i<span>n mathematics, a </span>rational number<span> is any </span>number<span>that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.</span>
