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What is the difference in height of Mount St. Helens before and after the eruption, expressed in meters

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3 votes
2950 subtracted by 2550 equals 400 you subtract
2950
-
2550
so subtract the 0's which equals 0
the subtract the 2nd furthest numbers (5-5)=0
then subtract the next (9-5) = 4
then 2-2 = 0
so 400


User Jane Kathambi
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