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Mathematics 7 Online
OpenStudy (anonymous):

2. Suppose that the diameters of different types of hairs are 1.7x 10^-4cm, 1.4 x 10^-3cm, 1.2 x 10^-5cm, and 1.9 x 10^-4cm? What is the order of the hairs from least to greatest diameters? (1 point) CHECK MY ANSWER PLEASE 1.2 x 10^-5, 1.7 x 10^-4, 1.9 x 10^-4, 1.4 x 10^-3

OpenStudy (btaylor):

Your answer is 100% correct.

OpenStudy (anonymous):

what about this one

OpenStudy (anonymous):

5. Multiply. (2n2 + 5n + 4)(2n – 4) (1 point) 4n3 – 2n2 + 28n – 16 4n3 + 12n2 – 2n – 16 4n3 + 2n2 – 12n – 16 4n3 + 18n2 – 28n – 16 my answer is C

OpenStudy (btaylor):

|dw:1338827816872:dw| SO...yes, you were right.

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