Expand the squared binomials:


Then





Mean number simply means average.
8/9 - 1/5
= 5(8/9)-9(1/5)
=(40/45)-(9/45)
=31/45
therefore 31/45 of the estate would go to the American cancer society
<h2>ANSWER:</h2><h3>3.04</h3><h2>step-by-step Explanation:</h2><h3>Expand 7.296/2.4 by multiplying both numerator and the denominator by 1000</h3>
<h3>7296/2400</h3>
<h3>Reduce the fraction 7296/2400 to lowest terms by extracting and cancelling out 96</h3>
<h3>76/25</h3>
<h3>19.2²/5² = 3 1/25 = 3.04 //</h3>
<h2>HOPE IT HELPS YOU!!!!!</h2>