15-04-2015
Mathematics

Answered

Simplify the expression.
1. (-7w)³

Simplify the expression.
2. (3t²) (-5+6)

Simplify the expression.
3. (6y²)³

Answer :

15-04-2015

[tex]1. (-7w)^3=-343 w^{3} \\ 2. (3 t^{2} ) (-5 t^{6} )=-15 t^{8} \\ 3. (6y^2)^3=216 y^{6} [/tex]

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15-04-2015

(-7w)^3 = -7w * -7w * -7w = -343w^3
(3t^2)(-5 + 6) = (3t^2)(1) = 3t^2
(6y^2)^3 = 6^3 y^(2 * 3) = 216y^6

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