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does
p(t) = −log10t.
mean
\[ p(t)= - \log_{10} t \]
or
\[ p(t) = −\log(10t)\]?

The 1st one lol!

Ok, then how would u graph it?

first, what is the log of 10^-3 ?
\[ \log_{10} \left(10^{-3} \right) = \]

0.001?

-3

ok.
\[ p(t)= - \log_{10} t \\= -1 \cdot \log(0.001) \\= -1 \cdot -3 = 3 \]

yes, I think I can. How could I graph this using technology?

if you have geogebra , you type in the equation

I dont have that/ know what that is lol :)

I have desmos.com but I wouldnt know how to type that in

just type in
y= -log(x)

oH! Hahaha thanks :)

What about the 2nd part of the question?

zoom in on your graph, and click on the curve when it has y=0.5
what do you get for the x value ?

I got (0.316,0.5)

yes, 0.316 is good
using the exponential equation
\[ t= 10^{-0.5} = \frac{1}{\sqrt{10}} = 0.316228\]

So, we just converted it right? And that would be the answer to the question?

Yes! Thanks so much<3