1)-0.4x^2y*(-10xy^2)2)-0,2a^3b^4*5a^2b^33)(0.25x^-2y^-1)^-34) x^-3a^4 ...

July 2022 1 9 Report

1)-0.4x^2y*(-10xy^2)

2)-0,2a^3b^4*5a^2b^3

3)(0.25x^-2y^-1)^-34) x^-3a^4

4) x^-3a^4 4
( _______) ^-2 * (______)^-3
16 x^-2a^3

5)ab(-5ab^2)*(4a^2b)6)m^2n*(-mn)*(-mn^2)

6)m^2n*(-mn)*(-mn^2)

Answers & Comments

Artem112

Verified answer

$-0.4x^2y(-10xy^2)=4x^3y^3
\\\
-0,2a^3b^4\cdot 5a^2b^3=-a^5b^7$

$(0.25x^{-2}y^{-1})^{-3}) x^{-3}a^4 =0.25^{-3}a^{6}y^{3}x^{-3}a^4=0.25^{-3}a^{10}y^{3}x^{-3}$

$( \frac{1}{16} )^2\cdot ( \frac{4}{x^{-2}a^3} )^{-3}=
 \frac{1}{256} \cdot \frac{x^{-6}a^9}{64} =
 \frac{a^9}{16384x^6}$

$ab(-5ab^2)(4a^2b)=
-20a^4b^4
\\\
m^2n*(-mn)*(-mn^2)=
m^4n^4$

20 votes Thanks 52

Answers & Comments

Verified answer

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