Emmajanedoanidn
Answered

Discover a wealth of information and get your questions answered on IDNLearn.com. Find in-depth and trustworthy answers to all your questions from our experienced community members.

Subtract the following numbers, using scientific notation and the correct number of significant digits.

6.94 × 103 mm - 4.5 × 102 mm = _____.

2.4 × 103 mm
2.44 × 102mm
6.49 × 103 mm
6.5 × 103 mm

Sagot :

Histrionicusidn

Answer:

The correct answer is - 6.49 × 10^3 mm.

Explanation:

The correct scientific notation of the given subtraction problem is:

6.94 × 10^3 mm - 4.5 × 10^2 mm = _____.

The correct number of significant digits is

a. 6.94 × 10^3 mm = 3

b. 4.5 × 10^2 mm = 2

So subtracting the 6.94 × 10^3 mm - 4.5 × 10^2 mm

= 6940 - 450

= 6.49× 10^3 mm.

Answer:

6.5x 10^3 mm

Explanation:

We are delighted to have you as part of our community. Keep asking, answering, and sharing your insights. Together, we can create a valuable knowledge resource. IDNLearn.com has the solutions to your questions. Thanks for stopping by, and see you next time for more reliable information.