Answer:
What is this question?
Step-by-step explanation:
I'm not sure what you are asking.
minus 6
Step-by-step explanation:
From 49 to 43 you minus 6
from 43 to 37 you minus 6
Please give me brainliest!
22.8 grams of element will be remaining after 7 minutes
Further explanation:
Given

The element reduces (1-22%) in one minute.
The process will be repeated 7 times for 7 minutes
If we have to calculate the amount of element after 7 minutes
then the total reduction will be: (1-22%)^7

22.8 grams of element will be remaining after 7 minutes
Keywords: Decay, Percentage
Learn more about percentage at:
#LearnwithBrainly
Answer:
a) 5
b) 20
c) 28
d) 10
Step-by-step explanation:
a) 7-2=5
b) 2(7)+3(2)
= 14+6
= 20
c) 2(7)(3)= 28
d) (7-2)^2
= (14-4)
= 10