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simplifying and evaluating exponential expressions
  • 1. (-3x)(2x2)3
A) -6x5
B) -24x7
C) -5x7
D) 6x7
  • 2. -(3x2)4
A) -3x8
B) -81x8
C) -81x6
D) 81x8
  • 3. (2f2g)(-4f3g2)
A) -6f5g3
B) -8f5g3
C) 8f5g3
D) -8f6g2
  • 4. Given the expression, (-x)(y2)(-2x3)(-y), choose the correct statement:
A) the simplified form would be 2x4 - y3
B) this is a rational exponential expression
C) one has to use "power of power" law to simplify it
D) the fully simplified form would have a negative coefficient
  • 5. If x = -2 and y = -1 the value of the expression: -(x3)(y2) is...
A) +8
B) -8
C) +6
D) -6
  • 6. Given the expression: (2)(4)(8)(16)(32), which statement is correct?
A) It is the same as 642 .
B) Its simplified exponential form is: 215 .
C) Its evaluated form is 1,024.
D) 212 is its simplified form.
  • 7. Given this open box (rectangular based prism), choose the correct statement about its volume.
A) Its volume is 100w3 .
B) The expression that represents its volume is 17w
C) Its volume is 100 cm3 .
D) There is no volume - you don't know what "w" is.
  • 8. Given the expression, -(34)(64), which is the correct simplified expression?
A) 184
B) -94
C) -1816
D) -184
  • 9. If a rectangular prism has sides of 4x, 5x and 2x, what is the expression for its volume?
A) 12x3
B) 40x3
C) 20x3
D) 6x3
  • 10. The fully simplified and correct form of (3x4)(-5y4) is
A) -15x16y16
B) 15x4y4
C) -2x4y4
D) -15x4y4
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1.3.1 laws of exponents
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