Question-1 In each of the following, fill in the blanks, so that the statement is true:one example is done for you
(i) (500 + 7) (300 - 1) = 299 x
Solution:
(1) By considering LHS
(500 + 7) (300 - 1)
We get
= 507 x 299
By using commutatively
299 x 507
(ii) 888 + 777 + 555-111x.....
(iv) 89 x (100 - 2) = 98 x (100 - ...
(iii) 75 x 425 – (70 + 5) (.... +85)
(V) (15+5) (15 - 5) = 225 - .....
with process
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Topoisomerase: A class of enzymes that alter the supercoiling of double-stranded DNA. (In supercoiling the DNA molecule coils up like a telephone cord, which shortens the molecule.) The topoisomerases act by transiently cutting one or both strands of the DNA.
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