3 years ago

Will mark as brainliest if correct

Mathematics

2 answers:

bearhunter [10]3 years ago

8 0

Log r+log 4=3
log(4xr)=3
log base 10(4r)=3
4r=10^3
4r=1000
r=1000/4
r=250

Greeley [361]3 years ago

4 0

Answer:

r=250

Step-by-step explanation:

log10(r) + log10(4)=3

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