Question 1Multiple ChoiceWhich of the following numbers is written in standard form?320003.2 × 10^40.0323200 × 10^2
Question 2Multiple ChoiceWhich is the standard form of 0.0073?7.3 × 10^-373 × 10^-40.73 × 10^-2730 × 10^-5
Question 5Multiple ChoiceWhich of these numbers is NOT written in standard form?2.6 × 10^50.89 × 10^76.0 × 10^27.5 × 10^-3
Question 7Multiple ChoiceWhich is the standard form of 820,000?8.2 × 10^48.2 × 10^58.2 × 10^60.82 × 10^6
Question 8Multiple ChoiceIf a number is written as 4.5 × 10^-3, what is its value in ordinary decimal notation?0.00450.0450.000450.45
Question 10Multiple ChoiceWhy do scientists use standard form to write very large or small numbers?To make numbers look more complicatedBecause calculators only accept standard formBecause it makes big and small numbers easier to read, write, and compareSo only scientists can understand numbers
Question 11Multiple ChoiceWhat is (6.2 × 10^3) + (4.8 × 10^2) in standard form?6.68 × 10^36.7 × 10^36.68 × 10^210.0 × 10^3
Question 12Multiple ChoiceWhat is the result of (1.0 × 10^5) - (7.5 × 10^4)?2.5 × 10^42.5 × 10^51.75 × 10^50.25 × 10^5
Question 13Multiple ChoiceWhich equation correctly represents (4.7 × 10^2) + (2.3 × 10^2)?7.0 × 10^27.0 × 10^42.4 × 10^27.0 × 10^1
Question 14Multiple ChoiceFind (5.2 × 10^6) - (4.2 × 10^5) in standard form.4.78 × 10^60.1 × 10^61.0 × 10^65.7 × 10^6