Verified answer

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A = ( 6/3 - 1/3 ) : 1/16

A = 5/3 x 16

A = 80/3

B = 20 x 10 ⁶ : 6 x 10 ⁵

B = 20/6 x 10

= 10/3 x 10

= 100/3

C = 7 x 7 ¹² : 7 ¹⁴⁴

C = 7 ¹³ : 7 ¹⁴⁴

C = 7 ¹³¹

D = 9 √6 - 28 √15 - √ 2 x √24

D = 9 √6 - 28 √15 - √48

D = 9 √6 - 28 √15 - 4 √3

E ) 2 - 8/5

E = 10/5 - 8/5 = 2 /5