(iii) `(4^(3)+2^(-9)+7^(10))^(0)`

Which group of fractions are like fractions among the following? (i) (2)/(7), (3)/(7), (4)/(7) (ii) (1)/(2), (2)/(9), (4)/(9) (iii) (3)/(7), (4)/(9), (7)/(11)

Express the following as improper fractions: (a) (7)(3)/(4) (b) (5)(6)/(7) (c) (2)(5)/(6) (d) (10)(3)/(5) (e) (9) (3)/(7) (f) (8)(9)/(4)

The sum of first 20 terms of the sequence 0.7, 0.77, 0.777, .. , is (1) 7/9(99-10^(-20)) (2) 7/(81)(179+10^(-20)) (3) 7/9(99+10^(-20)) (3) 7/(81)(179-10^(-20))

The sum of first 20 terms of the sequence 0.7, 0.77, 0.777, .. , is (1) 7/9(99-10^(-20)) (2) 7/(81)(179+10^(-20)) (3) 7/9(99+10^(-20)) (3) 7/(81)(179-10^(-20))

Express the following as improper fractions : (a) (7) 3/4 (b) (5) 6/7 (c) (2) 5/6 (d) (10) 3/5 (e) (9) 3/7 (f) (8) 9/4

9(4)/(10)+4(4)/(10)+7(4)/(10)

Write the numeral whose expanded form is given below: ( i ) 6 xx 10^(4)+3 xx 10^(3)+0 xx 10^(2)+7 xx 10^(1)+8 xx 10^(0) ( ii ) 9 xx 10^(6)+7 xx 10^(5)+0 xx 10^(4)+3 xx 10^(3)+2 xx 10^(2)+9 xx 10^(1)+6 xx 10^(0) ( iii ) 8 xx 10^(5)+6 xx 10^(4)+4 xx 10^(3)+2 xx 10^(2)+9 xx 10^(1)+6 xx 10^(0)

[[1,0,-13,4,50,-6,-7]]=[[(1)/(10),(3)/(10),(1)/(5)(21)/(20),-(7)/(20),-(2)/(5)-(9)/(10),(3)/(10),(1)/(5)]]