(2.3)3 + 0.027
45. What is the value of
?
(2.3)2 – 0.69 + 0.09
(a) 2
(b) 2.27
(C) 2.33
(d) 2.6
Answers
Answered by
0
Correct option is
A
2
(2.3)
2
+0.69+0.09
(2.3)
3
−0.027
=
(0.23)
2
+2.3×0.3+(0.3)
2
(2.3)
3
−(0.3)
3
We know, a
3
−b
3
=(a−b)(a
2
+ab+b
2
)
=
(0.23)
2
+2.3×0.3+(0.3)
2
(2.3−0.3)[(2.3)
2
+2.3×0.3+(0.3)
2
]
=(2.3−0.3)
=2
Answered by
0
Answer:
4 is the answer.
Hope it helps you.
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