Question 40
Fill in the blanks to make the statement true.
(−9)×20=___
(−9)×20=−180 [∵ multiplication of integers, if both the numbers have different signs, then the result is a negative number ]
Question 43
In the following question, fill in the blanks to make the statements true.
[(213)−6÷(213)3]3×(213)−9= ___
Question 57
(-40) × ___ = 80
Question 30
−29−79= ___
Question 20
−5a2b and −5b2a are ___ terms.
Fill in the blanks to make each statement true:
9x- ............... =-21 has the solution (-2).