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Chapter 1: Q51. (page 9)

Find the value ofabniflocalid="1646746061753" n=3,a=2000,b=-15

Short Answer

Expert verified

Value ofabn is-16

Step by step solution

01

- Substitute given values

Substitute 2000 for a, -15for b, and 3 forn

abn=2000-153

02

- Order of 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.
03

- Simplify 2000-153

To evaluate the value of the given expression, first expand the exponentthen perform multiplication as shown below

2000鈭�153=2000鈭�1125=鈭�2000125=鈭�16

Thus, value of abnis-16

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