Strontium-90, a radioactive isotope with applications in medicine, has a half-life of approximately 30 years. A 225-gram sample of strontium-90 will decay to 100 grams after approximately years.

Answer choices:
274
291
35
32

42%

step-by-step explanation:

we know,

total people = 60

total males = 25

percentage of males

= 25/60 × 100

= 25/6 × 10

= 25/3 × 5

= 125 / 3

= 41.

rounding of = 42%

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hdjd

step-by-step explanation:

hello :

by applying the distributive property :

6 × 4.3 = 6 × ( 4 + 0.3 )

            =   (6 ×   4) + (6 ×   0.3)

            = 24 + 1.8

6 × 4.3 = 25.8

a

step-by-step explanation: