Evaluate each of the following: `2/3-3/5` (ii) `4/7-2/(-3)` (iii) `4/7-(-5)/(-7)`

Evaluate each of the following: -2-5/9 (ii) (-3)/(-8)-(-2)/7 (iii) (-4)/(13)-(-5)/(26)

Evaluate each of the following: -2-(5)/(9)(ii)(-3)/(-8)-(-2)/(7) (iii) (-4)/(13)-(-5)/(26)

Find the value of each of the following: (i) (-7)^2 (ii) (-3)^4 (iii) (-5)^5

Find the value of each of the following: (-7)^2 (ii) (-3)^4 (iii) (-5)^5

Find the value of each of the following: 13^2 (ii) 7^3 (iii) 3^4

Re-arrange suitably and find the sum in each of the following: 2/3+(-4)/5+1/3+2/5 (ii) 1/8+5/(12)+2/7+7/(12)+9/7+(-5)/(16)

Which is greater in each of the following: -3 2/7, -3 4/5

Find the value of each of the following: ( i ) 8^(@) ( ii ) (-3)^(@) ( iii ) 4^(@)+5^(@) ( iv ) 6^(@) xx 7^(@)

Find the value of each of the following: (i) 13^2 (ii) 7^3 (iii) 3^4

Calculate each of the following using multiplication. (i) (3)/(7) of (2)/(5) (ii) (3)/(5) of (2)/(7) (iii) (2)/(3) of (3)/(4) iv) (5)/(6) of (3)/(10) .