With the steps as well please

Lanelle asked Dec 20, 2023

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Lanelle asked Dec 20, 2023

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15 votes

Answer:

Explanation:

(i)

$2.014^2-2.012^2=\\(2.014+2.012)(2.014-2.012)=\\4.026*0.002=\\0.008052=\\8.052*10^(-3)$

(ii)

$12^3+8^3=\\(12+8)(12^2-(12)(8)+8^2)=\\20*(144-96+64)=\\20*112=\\2240$

(iii)

$9^3-5^3=\\(9-5)(9^2+(9)(5)+5^2)=\\4*(81+45+25)=\\4*151=\\604$

ByteWalrus answered Dec 25, 2023

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