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KengaRu [80]
3 years ago
14

A person invested $420 in an account growing at a rate allowing the money to double

Mathematics
1 answer:
AURORKA [14]3 years ago
8 0

Answer:

t=11.9

Step-by-step explanation:

960=420(2)^t/10

2.28571429=2^t/10

add log to both sides

log(2.28571429)=10 t  log(2)

divide by log 2

1.19264508=  10 /t

10(1.19264508)

11.926450779=t

​

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