Question

1. Find the cube of the following numbers :
14³

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Answer 1

Answer:

2744

Step-by-step explanation:

${(10+4)}^{3}$

by

${(a + b)}^{3} = {a}^{3} + {b}^{3} + 3 {a}^{2} b + 3a {b}^{2}$

${10}^{3} + {4}^{3} + 3 \times {10}^{2} \times 4 + 3 \times 10 \times {4}^{2}$

$1000 + 64 + 1200 + 480$

2744

Answer 2

Answer:

14³= (10+4)³= (10)³+4³+3*10*4(10+4)

=1000+64+1680= 2,744 Ans