For items 3a-3d, choose Yes or No to 1
tell if the digit in the tens place is the
10
value of the digit in the hundreds place.
3a. 54,450
O Yes O No
3b. 50,445
O Yes O No
3c. 40,533
O Yes O No
3d. 45,330
O Yes O No

5.5

step-by-step explanation:

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)

c

c

c

c

c

c

c

cc

c

step-by-step explanation: