Decide whether the expression has been simplified correctly.
Problem 1 :
(ab)8 = ab8
A) Yes B) No
Problem 2 :
(a/4)5 = a5/4
A) Yes B) No
Apply the product rule for exponents, if possible.
Problem 3 :
(-3x5y)(-4x9y2)
A) 12x45y2 B) -12x14y2 C) 12x15y3 D)12x14y3
Evaluate the expression.
Problem 4 :
100 + 50
A) 0 B) 1 C) 15 D)2
Problem 5 :
-100
A) -10 B) 1 C) -1 D)0
Write the expression with only positive exponents. Assume all variables represent nonzero numbers. Simplify if necessary.
Problem 6 :
5x-2
A) 1/5x2 B) -10x C) 5/x2 D)1/25x2
Problem 7 :
(-a)-18
A) 1/a18 B) 18a C) 1/-a18 D)1/a-18
Evaluate the expression.
Problem 8 :
5-4/6-3
A) 1296/3125 B) 216/625 C) 3125/1296 D) 625/216
Problem 9 :
1/-3-3
A) -9 B) -27 C) 9 D)27
Problem 10 :
(2/7)-3
A) -343/8 B) 8/343 C) -8/343 D)343/8
1) Not correct 2) Not correct 3) 12x14y3 4) 2 5) -1 |
6) 5/x2 7) 1/a18 8) 216/625 9) -27 10) 343/8 |
May 21, 24 08:51 PM
May 21, 24 08:51 AM
May 20, 24 10:45 PM