Saved Bookmarks
| 1. |
Simplify : (i) `2 xx 10^3` (ii) `7^2 xx 2^2` (iii) `2^3 xx 5` (iv) `3 xx 4^4` |
|
Answer» (i) `2*10^3= 2*10*10*10= 2000` (ii) `7^2*2^2 = 7*7*2*2 = 49*4 = 196` (iii)`2^3*5= 2*2*2*5= 40` (iv)`3^2*10^4= 3^2*2^4*5^4` `= 9*10000` `=90000` (iv) `5^2*3^3` `= 5*5*3*3*3= 25*27` `= 25*(25+2)= 625+50 = 675` |
|