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The average mass of a grain of sand on a beach is about 0.15. what is 0.15 in scientific notation ?
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An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years
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You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up
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Jim had 15 minutes to do 5 laps around his school what would his time be
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The average mass of a grain of sand on a beach is about 0.15. what is 0.15 in scientific notation ?...
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