Question

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1 numbers which can be writte n in the form of pq ( p not equal to 0) are ----------- numbers.
2 if n by 7 ÷3 then n = --------------------.
3 1,40,00000000 write in exponent form -----------------.
4 ----------- independent measurements are required to draw a unique quadrilateral.

Answer 1

1.rational numbers
2.n=7*3=21

Answer 2

1.Rational numbers
2.any number
3.14x10power 9
4.5 elements