Simplify expressions & rewrite fraction
- 1. Write the fraction 3/5 as a decimal.
A) 0.315
B) 0.53
C) 0.35
D) 0.6
- 2. Write the decimal -0.8 as a fraction.
A) 4/5
B) -8/9
C) 8/9
D) -4/5
- 3. Write the mixed number 3 7/8 as a decimal.
A) 3.78
B) -3.875
C) 0.378
D) 3.875
- 4. Write the expression 3*3*m*m*m using exponents.
A) 33m3
B) 32m3
C) 33mmm
D) 35m5
- 5. Write the expression (1/4)(1/4)(1/4)(1/4) using exponents.
A) 1/16
B) (1/4)4
C) (1/16)4
D) (1/4)16
- 6. Evaluate the expression: (-2)3+52
A) 4
B) 1
C) 17
D) 33
- 7. If r=4 and s=5, what is r3-s2 equal to?
A) 2
B) 39
C) 14
D) 4
- 8. Using exponents, simplify: x7*x4
A) x3
B) 2*x11
C) x11
D) x28
- 9. Using exponents, simplify: (g12)/(g3)
A) g15
B) 9
C) g36
D) g9
- 10. Using exponents, simplify: (28a9)/(7a4)
A) 35a14
B) 21a14
C) 21a5
D) 4a5
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