5.Multiply (–6) x98 using distributive property.(Note:Not direct multiplication)
6.In a class test (+ 5) marks are given for every correct answer and (–3) marks are given for every incorrect answer and no marks for not attempting any question. Rahul scored 32marks. If he has got 10correct answers, how many questions has he attempted incorrectly? (Note:Write necessary statements)
7.Identify the error and correct the statements.a) (–12)÷0 = 0______________
b) (–57) × (–19) + 57= 57 × [(–19) + 1] =57×18 = 1026
Answer:
5. -6×98= -588
6. 10(5) +x(-3) = 32
or, 3x= 50-32=18
or, x= 6
hence, he had attempted 6 answers incorrectly
7. -12÷0= infinity♾️
not 0