Please answer the ones that have red dots on them my mom said those ones are wrong copy and paste then add your answer please:) please only do 7-10 7. =
8. =
9. =
10. =

7 = 24 blue cars

8 = sorry idk

9 = sorry idk

10 = 16 horses

can i have brainliest

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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