Answer:
3 minute 35.969420299997999 seconds
Step-by-step explanation:
Okay in simple words its 3 minute and 35 seconds or something.
Since we want to leave 2 grams ,
Amount to decay = 680-2
= 678g
Amount decayed per minute = 27.7 %
Amount decayed per minute ( in grams) = 188.36 g
Amount decayed per second ( in gram ) = 3.139333333g
Your required Ans = 678 / 3.139333333
= 215.9694203 seconds
i have converted them to minute in the title : D
Answer:
C
Step-by-step explanation:
(4x² 2y³)³ = 64x⁵y⁶
4x4x4 = 64
(x²)³ = x⁵
(y³)³ = y⁶
Answer:
I think it is 27%
Step-by-step explanation:
I'm not sure but I hope I'm correct
Answer:
-4 square units
Step-by-step explanation:
a = l × b
x2 - 3x - 28 = (x +4)(×)
x2 - 3x - 28 = x2 + 4x
-3x - 28 - 4x = 0
-7x - 28 = 0
-7x = 28
x = -4