Practice questions available in **McGraw Hill Math Grade 6 Answer Key PDF** **Lesson 15.2 Scientific Notation **will engage students and is a great way of informal assessment.

## McGraw-Hill Math Grade 6 Answer Key Lesson 15.2 Scientific Notation

**Exercises
**

**CONVERT TO SCIENTIFIC NOTATION**

**Round to six decimal places to the right of the decimal.**

Question 1.

125

Answer:

125 rounded to six decimal places to the right we get 100.

Explanation:

Rounding to Six decimal places to the right of the decimal of 125:

125 = 100.

Question 2.

7453

Answer:

7453 rounded to six decimal places to the right we get 7000.

Explanation:

Rounding to Six decimal places to the right of the decimal of 7453:

7453 = 7000.

Question 3.

.0254

Answer:

.0254 rounded to six decimal places to the right we get 0.

Explanation:

Rounding to Six decimal places to the right of the decimal of .0254:

.0254 = 0.

Question 4.

37

Answer:

37 rounded to six decimal places to the right we get 40.

Explanation:

Rounding to Six decimal places to the right of the decimal of 37:

37 = 40.

Question 5.

.00457

Answer:

.00457 rounded to six decimal places to the right we get 0.

Explanation:

Rounding to Six decimal places to the right of the decimal of.00457:

.00457 = 0.

Question 6.

1,222,333

Answer:

1,222,333 rounded to six decimal places to the right we get 1,000,000.

Explanation:

Rounding to Six decimal places to the right of the decimal of 1,222,333:

1,222,333 = 1,000,000.

Question 7.

898

Answer:

898 rounded to six decimal places to the right we get 900.

Explanation:

Rounding to Six decimal places to the right of the decimal of 898:

898 = 900.

Question 8.

45.32

Answer:

45.32 rounded to six decimal places to the right we get 50.

Explanation:

Rounding to Six decimal places to the right of the decimal of 45.32:

45.32 = 50.

Question 9.

190.325

Answer:

190.325 rounded to six decimal places to the right we get 200.

Explanation:

Rounding to Six decimal places to the right of the decimal of 190.325:

190.325 – 200.

Question 10.

13,023

Answer:

13,023 rounded to six decimal places to the right we get 10,000.

Explanation:

Rounding to Six decimal places to the right of the decimal of 13,023:

13,023 = 10,000.

Question 11.

5.567

Answer:

5.567 rounded to six decimal places to the right we get 10.

Explanation:

Rounding to Six decimal places to the right of the decimal of 5.567:

5.567 = 10.

Question 12.

72.354

Answer:

72.354 rounded to six decimal places to the right we get 70.

Explanation:

Rounding to Six decimal places to the right of the decimal of 72.354:

72.354 = 70.

Question 13.

4,777.77

Answer:

4,777.77 rounded to six decimal places to the right we get 5000.

Explanation:

Rounding to Six decimal places to the right of the decimal of 4,777.77:

4,777.77 = 5000.

Question 18.

.02002

Answer:

.02002 rounded to six decimal places to the right we get 0.

Explanation:

Rounding to Six decimal places to the right of the decimal of .02002:

.02002 = 0.

Question 19.

233.323

Answer:

233.323 rounded to six decimal places to the right we get 200.

Explanation:

Rounding to Six decimal places to the right of the decimal of 233.323:

233.323 = 200.

Question 20.

5672

Answer:

5672 rounded to six decimal places to the right we get 6000.

Explanation:

Rounding to Six decimal places to the right of the decimal of 5672:

5672 = 6000.