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Questions and Answers
When should you do exponents or powers in a calculation?
When should you do exponents or powers in a calculation?
- After addition and subtraction
- Before multiplication and division (correct)
- Before addition and subtraction
- After multiplication and division
What is the correct order of operations according to BODMAS?
What is the correct order of operations according to BODMAS?
- Brackets, exponents, division, multiplication, addition, subtraction
- Brackets, exponents, multiplication, division, addition, subtraction (correct)
- Addition, subtraction, multiplication, division, brackets, exponents
- Exponents, brackets, multiplication, division, addition, subtraction
What is the difference between 4(32) and (43)2?
What is the difference between 4(32) and (43)2?
- There is no difference
- 4(32) is equal to 128 and (43)2 is equal to 12
- 4(32) is equal to 128 and (43)2 is equal to 1849
- 4(32) is equal to 36 and (43)2 is equal to 1849 (correct)
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Study Notes
Exponents and Order of Operations
- Exponents or powers should be calculated before multiplication and division in a calculation.
- The correct order of operations according to BODMAS is:
- Brackets (or parentheses)
- Orders (or exponents)
- Division
- Multiplication
- Addition
- Subtraction
- The difference between 4(32) and (43)2 is the order in which the operations are performed:
- 4(32) = 4 × 32 (evaluate the expression inside the brackets first)
- (43)2 = 43 × 43 (evaluate the exponentiation first, then the result is multiplied by itself)
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