A total of 1,716 selections of the 7 flowers are possible.
Step-by-step explanation:
Step 1:
There are 13 flowers from which Jeanine Baker plans to use 7 of them.
To determine the number of selections that are possible we use combinations.
The formula for combinations is;
.
Step 2:
In the given formula, n is the total number of options and r is the number of options to be selected.
For this question,
and
.
So 
So a total of 1,716 selections are possible.
<span> by putting values from periodic tabl H2(2 x 1.007947 g H/mol ) + S(32.0655 g S/mol) + 04(4 x 15.99943 g O/mol) =
98.0791 g H2SO4/mol is the answer hope it helps</span>
The answer to this is 3/4.
Division sign then multiplication sign