A number cube is rolled and a letter is selected from the word GIRAFFE.
P(number greater than 3 and R)

rick would give her the best deal as he will charge $8.88 per hour

60 for the first and 130 for the second

step-by-step explanation:

i honestly dont know

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

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