Question

a) Verify the following
1) 21×[27-(-5)=[(21×27)+21×(-5)]
2)(-18)×[(-9)+(-6)]=[(-18)×(-9)]+[(-18)×(-9)]+[(-18)×(-6)]
b) In a class test consisting of 15 question,5 marks are given for every correct answer,and (-2) marks are given for every incorrect what is his total score​

Answer 1

Answer:

1)21×{27-(-5)}is not equal to {(21×27)+21×(-5)}

Step-by-step explanation:

1)21×(27-(-5)=672

And [(21×27)+21×(-5)]=462

Answer 2

Answer:

1)21x{27-(-5)}is not equal to {(21×27)+21×(-5)} Step-by-step explanation:

1)21x(27-(-5)=672 And [(21x27)+21x(-5)3=462

Step-by-step explanation:

Marke BRAINLIST