Compare 7 x 103 and 2 x 103. a) 7 x 103 is 3.5 times larger than 2 x 103 b) 7 x 103 is twice as large as 2 x 103 c) 7 x 103 is 3 times larger than 2 x 103 d) 7 x 103 is 5 times larger than 2 x 103