the data list shows the cost, in dollars, of different brands of sneakers at a shoe store. 44.99, 59.99, 32.30, 65.00, 52.59

d is the only accurate one

step-by-step explanation:

answer: it depends on what the tax percentage

ending amount = beginning amount / (2^n)

where "n" = number of half-lives (or elapsed time / half-life)

ending amount = 50 mg / (2 ^10 / 5.3)

ending amount = 50 mg / (2 ^ 1.8867924528)

ending amount = 50 m / 3.6981210597

ending amount = 13.5203794557 mg

or about 13.5 mg remain

source: