An element with mass 140 grams decays by 21.6% per minute. How much of the element is remaining after 20 minutes, to the nearest 10th of a gram?

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4

40 minutes

step-by-step explanation:

add the time and multiply by 2

there still no table

so the possibilities of the measurement of the side of the triangle are either it is longest side or not the longest side

when it is the longest side

s < 25 + 35s < 60

if it is not the longest side

35 < 25 + s10 < sso 10 < s < 60so the perimeter70 < p < 130