Question

simplify and express the result as a rational number in its lowest term :-
a) 1.44 ➗ (144➗ 12) - 0.225 + 3.276

b) 2/5 - 1/4 + (8.1 ✖️2.7) ➗ 0.09​

Answer 1

Answer:

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Step-by-step explanation:

a) 1.44*(144/12)-0.225+3.276

using BODMAS:

1.44*(12)-0.225+3.276

17.28 - 0.225+3.276

17.28 -3.501

13.779

b) 2/5 - 1/4 + (8.1 *2.7) ÷ 0.09​

2/5 - 1/4 + (21.87) ÷ 0.09​

2/5 - 1/4 + 243

lcm of 5 and 4 = 20

8-5+4860/20

4863/20

243.15