(-9)×20=_____. Fill in the blanks to make the statement true.
(-9)×20=-180( Multiply 9×20and put the sign according to (-)×(+)=- )
Hence, (-9)×20=-180
Question 40
Fill in the blanks to make the statement true.
(−9)×20=___
Question 20
−5a2b and −5b2a are ___ terms.
Question 41
(−23)×(42)=(−42)×
___ × (-93) = 93