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Chapter 1: Q15. (page 48)

Evaluate each expression if a=12,b=0.5,c=-3and d=13

c3+ab

Short Answer

Expert verified

Expression c3+ab results into -21

Step by step solution

01

- Order for simplification 

To evaluate any expression involving more than one operation, follow the below order of operations:

  • First evaluate expressions inside grouping symbols like parentheses ( ) or brackets [ ].
  • Evaluate the exponents.
  • Perform Multiplication and division from left to right.
  • Perform addition and subtraction from left to right.
02

– Perform Substitution

To evaluate given expression, first substitute the value 12 for a, 0.5 for b and -3 for c in expression.

c3+ab=-33+120.5

03

– Perform Simplification

To simplify further solve the exponent term followed by multiplication of terms and then apply subtraction between terms.

鈭�33+120.5=鈭�27+120.5=鈭�27+6=鈭�21

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