What is the result of adding 2.5 × 103 and 3.5 × 102? a. 2.9 × 103 b. 6.0 × 105 c. 6.0 × 103 d. 2.9 × 102

Chemistry · College · Mon Jan 18 2021

Answered on

Given the value:

2.5 x 10^3 

3.5 x 10^2

Determine the sum of the numbers.

Solution:

In order to determine the sum of the two values we simply needed to equate the two values into having the same exponent or degree, hence we can rewrite 3.5 x 10^2 as 0.35 x10^3

= (2.5 x 10^3) + (0.35 x 10^3)

= 2.85 x 10^3

Final answer:

= 2.85 x 10^3

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