Question

9) Multiply and find the value of each product for
a=2, b=0.5 and c = 0.1
(1) 32a²(1 - 2a) (ii) ab(a3 – 63)​

Answer 1

Step-by-step explanation:

i)

$32a {}^{2}(1 - 2a) \\ = 32 \times 2 {}^{2}(1 - 2 \times 2) \\ = 32 \times 4(1 - 4) \\ = 32 \times 4 \times - 3 \\ = 128 \times - 3 \\ = - 384$

ii)

$ab(a {}^{3} - 63) \\ = 2 \times 0.5(2 {}^{3} - 63) \\ = 1(8 - 63) \\ = 1 \times - 55 \\ = - 55$

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Answer 2

Answer:

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