Q17 of 45 Page 7

Find the cube root of each of the following numbers:
1. 8 흤
2. (-216) × 1728
3. 27 × (-2744)
4. (-125)×(-3375)
5. -456533
6. -5832000

(1) 8 x 64 = 2x2x2x2x2x2x2x2x2

(2) 216 x 1728 = 2x2x2x3x3x3x2x2x2x2x2x2x3x3x3

(3) 27 x 2744 = 3x3x3x2x2x2x7x7x7

(4) 125 x 3375 = 5x5x5x3x3x3x5x5x5

(5) 456533 = 7x7x7x11x11x11

(6) 5832000 = 5832 x 1000 = 2x2x2x3x3x3x3x3x3x2x2x2x5x5x5

More from this chapter

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15 Which of the following numbers are cubes of negative integers?
(a) -64 (b) -2197 (c) -1056 (d) -3888 16 Find the cube roots of: (a) -125 (b) -5832 (c) -17576 18 Find the cubes of the following by multiplication.
(i) -4
(ii) 23
(iii) 3030 19 Find the cube of the following rational numbers:
(i) 1.4