Question 28
Fill in the blank to make the statement true (613)10÷[(613)5]2=__
Here, (613)10÷[(613)5]2=(613)10÷(613)5×2=(613)10÷(613)10=(613)10−10=(613)0∴(613)10÷[(613)5]2=(613)0=1.
Question 30
Fill in the blank to make the statement true (1314)5÷__=(1314)3
Question 71
Fill in the blanks to make the statement true.
(−28)÷(−28)= ___
- a - b - c is same as - a - ( ___ ).
Question 52
23 × (-99) = ___ × (-100 + ___) = 23 × ___ + 23 × ___ .
Question 25
Fill in the blanks to make the statements true. (1115)4×__=(1115)9