Without actually calculating the cubes find 2(0.3)³+(0.4)³+(0.5)³+(-0.7)³+(-0.8)³
plzzz solve with clear steps
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=2×{0.027+0.064+0.125+(-0.343)+(-0.512)}
=2×(0.027+0.064+0.125-0.343-0.512)
=2×(0.216-0.855)
=2×(-0.639)
= -1.278
= -1.28
=2×(0.027+0.064+0.125-0.343-0.512)
=2×(0.216-0.855)
=2×(-0.639)
= -1.278
= -1.28
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