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

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.

Exercises
CONVERT TO SCIENTIFIC NOTATION
Round to six decimal places to the right of the decimal.
Question 1.
125
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
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
.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
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
.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
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
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
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
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
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
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
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
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
.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
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