CPM Homework Help : GB8I Problem 10-37

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Home > GB8I > Chapter 10 Unit 11 > Lesson INT1: 10.1.2 > Problem 10-37

10-37.

Rewrite each expression below. In parts (b) and (c), write an equivalent expression without parentheses.

$\frac{6x^2y^3}{3xy}$

Answer (a):
$2xy^2$

$(-mn)^3$

Hint (b):
What does the exponent tell about repeating ( $−mn$ ) as a factor?
Answer (b):
$-m^3n^3$

$(mn)^{-3}$
Hint (c):
What is the rule for negative exponents?

$\frac { 3.2 \times 10 ^ { - 2 } } { 8 \times 10 ^ { 3 } }$

Hint (d):
This is equivalent to $(\frac{3.2}{8})(\frac{10^{-2}}{10^3})$

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