a common what? denominator?
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➷ Joni should have multiplied by 1000 because 1 dekagram is equal to 1000 centigrams.
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Answer:
Apply them sequentially.
Step-by-step explanation:
The store would apply the discounts sequentially because it gives less of a discount compared to if they did it all at once.
Answer:
3
3
5
2
Step-by-step explanation:
What kind of math is this and what grade are you in?
Answer:
given
n=9
a=1
d=3-1=2
Step-by-step explanation:
now , by formula,
sn = n/2(2a+(n-1)d)
= 9/2(2×1+(9-1)×2)
=9/2×18
=81
