Standard Form (Edexcel Foundation)

These questions are suitable for Foundation Tier students Questions 1 to 8 should be done without a calculator Questions 9 to 15 can be done with a calculator

KeyTopicPracticeSheets StandardForm(EdexcelFoundation)

Copyrighttutor2u2017 6

9 Evaluatethefollowing,givingyouranswersinstandardform (a)(4.3x104)x(3.18x10-7)

………………………………….(2)

(b)(4.23x102)2

………………………………….(2)

(c)!.#×%&'(#.)*×%&'+

………………………………….(2)

(TotalforQuestion9is6marks)

KeyTopicPracticeSheets StandardForm(EdexcelFoundation)

Copyrighttutor2u2017 7

10 Themassoftheeightmajorplanetsofthesolarsystemareshownbelow

Planet Mass(inkilograms)Mercury 3.3x1023Venus 4.9x1024Earth 6.0x1024Mars 6.4x1023Jupiter 1.9x1027Saturn 5.7x1026Uranus 8.7x1025Neptune 1.0x1026

(a)Whichplanethasthelargestmass?

………………………………….(1)

(b)IfthemassofVenuswaswrittenasanordinarynumber,howmanyzeroswouldithave?

………………………………….(1)

PaulsaysthatthemassofJupiterisapproximately33timesthemassofSaturn (c)IsPaulcorrect? Explainyouranswer.

………………………………….(2)

(TotalforQuestion10is4marks)

Standard Form (Edexcel Foundation)

These questions are suitable for Foundation Tier students Questions 1 to 8 should be done without a calculator Questions 9 to 15 can be done with a calculator

Model Answers

KeyTopicPracticeSheets StandardForm(EdexcelFoundation)

Copyrighttutor2u2017 6

9 Evaluatethefollowing,givingyouranswersinstandardform (a)(4.3x104)x(3.18x10-7)

………………………………….(2)

(b)(4.23x102)2

………………………………….(2)

(c)!.#×%&'(#.)*×%&'+

………………………………….(2)

(TotalforQuestion9is6marks)

KeyTopicPracticeSheets StandardForm(EdexcelFoundation)

Copyrighttutor2u2017 7

10 Themassoftheeightmajorplanetsofthesolarsystemareshownbelow

Planet Mass(inkilograms)Mercury 3.3x1023Venus 4.9x1024Earth 6.0x1024Mars 6.4x1023Jupiter 1.9x1027Saturn 5.7x1026Uranus 8.7x1025Neptune 1.0x1026

(a)Whichplanethasthelargestmass?

………………………………….(1)

(b)IfthemassofVenuswaswrittenasanordinarynumber,howmanyzeroswouldithave?

………………………………….(1)

PaulsaysthatthemassofJupiterisapproximately33timesthemassofSaturn (c)IsPaulcorrect? Explainyouranswer.

………………………………….(2)

(TotalforQuestion10is4marks)