Question

Three expressions are shown below.
(10%)-2. (109). (10-))-9
For which of these expressions can we use the formula, (zº) = zab?
Option 1: Only (10%), as it holds true only for positive integer exponents.
Option 2: Only (10-3)-9, as it holds true only for negative integer exponents.
Option 3: All (105)-2.(10%) and (10-3), as it holds true for all integer exponents.
Option 4: Only (105)-2 and (10-)-, as it holds true only for negative integer exponents.
O
Option 2
O Option 3
O
Option 1
O Option 4​

Answer 1

Step-by-step explanation:

Three expressions are shown below.

(10%)-2. (109). (10-))-9

For which of these expressions can we use the formula, (zº) = zab?

Option 1: Only (10%), as it holds true only for positive integer exponents.

Option 2: Only (10-3)-9, as it holds true only for negative integer exponents.

Option 3: All (105)-2.(10%) and (10-3), as it holds true for all integer exponents.

Option 4: Only (105)-2 and (10-)-, as it holds true only for negative integer exponents.

O

Option 2

O Option 3

O

Option 1

O Option 4