Question

7. Find the value of (3x3) (-5xy?) x (2x2yz?)
for x = 1, y = 2 and z = 3.​

Answer 1

Step-by-step explanation:

If x = 1, y = 2 and z = 3,

then

$(3 \times 3)( - 5x {y}^{2} ) \times (2 \times 2y {z}^{2} )$

$= - 45 \times 1 \times {2}^{2} \times 4 \times 2 \times {3}^{2}$

$= 12960$

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Answer 2

Answer:

-2160

Step-by-step explanation:

(3×3) (-5xy)×(2×2yz)

=9 ( (-5) (1) (2) ) × (2×2(2)×(3) )

=9 (-10)×(24)

=-2160

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