Question

True/False

(a) A^m×A^n=A

(b) For positive number m and n,√m×√n=√mn

Fill ups

(a) The product of positive and a negative rational number is always ______ number.

(b) The usual form of 4.39×10^3=_______

(c) The value of (100)^2-(99)^2 is _____
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Answer 1

Step-by-step explanation:

1) false

2) true

fill ups

a) negative number

b) 4390

c) 100^2 -99^2

=10000-9801

=199

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