Add and Subtract Numbers in Scientific Notation

Question 1: Add (4.5 x 10⁴) +(2 x 10⁵). Write your answer in scientific notation.

6.5 x 10⁶
2.45 x 10^-5
2.45 x 10⁵
2.45 x 10⁴

Question 2: Add (3.2 x 10^-2) + (3.2 x 10^-3). Write your answer in scientific notation.

6.4 x 10^-2
6.4 x 10^-5
3.52 x 10^-3
3.52 x 10^-2

Question 3: Subtract (4.5 x 10⁴) – (2 x 10⁵). Write your answer in scientific notation.

1.55 x 10⁵
-155,000
-1.55 x 10^-5
-1.55 x 10⁵

Question 4: Subtract the following, (5 X 10⁵) – (3.7 X10³). Write your answer in standard form.

496,300
46,000
463,00
4,630

Question 5: One city has a population of 3 x 10⁵ and a small town has a population of 1.5 x 10³. What is the population of the city and the town together? Write your answer in standard form.

101,500
301,500
298,500
315,000

Add and Subtract Numbers in Scientific Notation

ALCO Admin Main August 13, 2021

Assessor/Quiz Summary

Information

Results

Results

Categories

1. Question

2. Question

3. Question

4. Question

5. Question

Adult Learning Center

Follow Us

© 2021 Adult Learning Center