Question

find (-2)^3 * (-2)^7/ 3*4^6

Answer 1

Answer:

(−2)

3

×(−2)

7

÷3×4×6

−8×−128÷72

1024÷72

14.3

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Answer 2

Solution:

(i) 7/3 ÷ 2 = 7/3 × 1/2

= 7/6 (improper fraction)

Converting into mixed fraction, we get

7/6 =

1

1

6

(ii) 4/9 ÷ 5 = 4/9 × 1/5

= 4/45

(iii) 6/13 ÷ 7 = 6/13 × 1/7

= 6/91

(iv)

4

1

3

÷ 3

= 13/3 × 1/3

= 13/9 (Improper fraction)

Converting into mixed fraction, we get

13/9 =

1

4

9

(v)

3

1

2

÷ 4 = 7/2 × 1/4

= 7/8

(vi)

4

3

7

÷ 7 = 31/7 × 1/7

= 31/49

Step-by-step explanation:

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