How to add exponents

Practice Questions

GRE Quantitative Reasoning › How to add exponents

Questions

8

1

If $(3^2\cdot3^5)^3=3^x$ , what is the value of

2

Indicate whether Quantity A or Quantity B is greater, or if they are equal, or if there is not enough information given to determine the relationship.

$\dpi{100} \small n>0$

Quantity A: $\dpi{100} \small 16^{n+2}$

Quantity B: $\dpi{100} \small 2^{4}\times (8^{n+1})^{2}\div 4^{n}$

3

If $3^4 \cdot 3^8 = 9^x$ , what is the value of

4

Simplify: y3x4(yx3 + y2x2 + y15 + x22)

5

If $5^2 \times 5^n = 5^{12}$ , what is the value of ?

6

If $\frac{3^{y - 1}}{3^{-2}} = 27^{y}3^{y}$ , what is the value of ?

7

Simplify $x^{^{3}}x^{^{5}} - x^{^{2}} + (y^{^{2}})^{^{2}}$ .

8

Simplify $x^{3}x^{6} + (x^{3})^{3} + x^{3}x^{2}x^{2}x^{2}$ .

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