Question

- Fill in the blanks.
(1) The standard form of 0.0000021 is
(2) The ratio of area of a circle to area of a semi-circle is
(3) The square is
type of figure.
(4) (a + b)2 + (a - b)2 =
(5) Ratio of 2 ad 30 paise is
(6) (1.1)3 =​

Answer 1

Answer:

2. 2:1 is the ratio of area of full circle to semi circle

Answer 2

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