Multiplying and dividing in standard form

Multiplying and dividing in standard form

Lesson details

Key learning points

  1. In this lesson, we will learn how to multiply and divide numbers that are presented in standard form.

Licence

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5 Questions

Q1.
Write the following number in standard form: 700
7 x 10^0
7 x 10^1
Correct answer: 7 x 10^2
7 x 10^3
Q2.
Write the following number in standard form: 45587000
0.45587000 x 10^8
4.5587000 x 10^6
Correct answer: 4.5587000 x 10^7
45.587000 x 10^7
Q3.
Write the following number in standard form: 708900
0.7 x 10^5
7 x 10^6
Correct answer: 7.089 x 10^5
70.8900 x 10^4
Q4.
Write this as an ordinary number: 3.0450 x 10^4
0.00030450
3045.0
Correct answer: 30450
304500
Q5.
Write this number as an ordinary number: 6.5 x 10^6
0.00000065
650000
Correct answer: 6500000
65000000

8 Questions

Q1.
6 x 10^3
6 x 10^6
8 x 10^3
Correct answer: 8 x 10^6
Q2.
Correct answer: 2.1 x 10^10
2.1 x 10^9
21 000000000
21 x 10^9
Q3.
Correct answer: 4 x 10^9
40 x 10^8
40 x 10^9
4000000000
Q4.
0.00002
0.5 x 10^-5
Correct answer: 2 x 10^-5
2 x 10^5
Q5.
0.00000000004
1.6 x 10^-10
Correct answer: 4 x 10^-10
4 x 10^-2
Q6.
7
70
8
Correct answer: 9
Q7.
Correct answer: 3.5 x 10^14
3.5 x 10^15
35 x 10^13
35000000000000
Q8.
0.08
0.8 x 10^-1
0.8 x 10^-2
Correct answer: 8 x 10^-2

Lesson appears in

UnitMaths / Indices and standard form