Q(3) = 500mg x 0.84^3 = ?

Q(8) = 500mg x 0.84^8 = ?

only answer if you know pls

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r