The product of -8 and -4 is -32.

True False

False

Step-by-step explanation:

-8 · (-4) = 32

The two negatives cancel each other out so the answer is positive.

Hope I helped :)

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the reason why your question keeps getting deleted because this is not a school related question : )

i will answer your question though.

i never tried church's

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)