Which table shows the amount of a substance decaying at an exponential rate?

O A

Ос.

Time

(in minutes)

Amount of

Substance

(In grams)

200

Time

(In minutes)

Amount of

Substance

(In grams)

200

0

0

5

50

5

150

10

10

10

50

15

5

15

0

O B.

OD.

they

Time

(In minutes)

Amount of

Substance

(In grams)

Time

(In minutes)

Amount of

Substance

(In grams)

0

200

0

200

5

100

5

100

10

50

10

75

15

25

15

50