Please someone help me!!! *Falls over* I'm soooo bad at math! I really need help!
1.A number that is written using powers of 10 is written in
A. standard form
B. combined terms
C. like terms
E. scientific notation
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2.If we were to separate all students by their grades in school and then select the group that all has straight A's, this is random sampling.
A.True
B. False
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This item, also called the 2nd quartile, is represented by a line in the middle of the box in a box and whisker plot.
A. upper extreme
B. median
C. lower extreme
D. positive correlation
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When solving an equation, placing a number in the equation in the place of a variable is called
A. a factor tree
B. combining terms
C. substitution
D. grouping terms
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