D is your answer because the bar is 4 and you must have an equal amount of plates on each side so it cannot be B. It goes up by 40 because of 2 plates on each side of the bar
(9+8+2)/(4+9+8+2)=19/23=82%
Therefore very likely
Answer:
8.15×10^5
Step-by-step explanation:
8.15×10^5
8.15×100000
815000
The sphere has surface are of 900π m².
Step-by-step explanation:
Given,
Diameter = d = 30m
Radius = 
Surface area of sphere = 

The sphere has surface are of 900π m².
Keywords: Surface area, multiplication
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