Ask question

Ask question

All categories

2 years ago

11

Please can you help me! z-² as a fraction

1 answer:

Oksanka [162]2 years ago

5 0

$\bf \left.\qquad \qquad \right.\textit{negative exponents}\\\\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}
\qquad \qquad
\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\qquad \qquad 
a^{{{ n}}}\implies \cfrac{1}{a^{-{{ n}}}}\\\\
-------------------------------\\\\
z^{-2}\implies \cfrac{1}{z^2}$

You might be interested in

The slope of a line is -4/5 what is the rise if the run is 20?

Strike441 [17]

Answer:

rise= -16

Step-by-step explanation:

Please see the attached picture for the full solution.

6 0

2 years ago

Simplify 16m6-15mn+m6+17mn

tia_tia [17]

Answer:

$17m^6 + 2mn$

Step-by-step explanation:

$16m^6 -15mn +m^6 + 17mn$

Combine like terms, rewrite the equation and perform the operations between the coefficients,

$16m^6 +m^6 -15mn+17mn$

$17m^6 + 2mn$

3 0

2 years ago

Read 2 more answers

Need help please answer this question

Aleks04 [339]

Answer:

C

Step-by-step explanation:

Substitute the given values for x and y into the expression

5 × ( $\frac{60}{6(5)}$ ) - 1

= 5 × ( $\frac{60}{30}$ ) - 1

= (5 × 2) - 1

= 10 - 1

= 9 → C

4 0

2 years ago

What is the mean of the following set of numbers? 121, 347, 45, 21, 300, 614, 312, 333, 421

Norma-Jean [14]

The mean is 279.3 repeating.

5 0

2 years ago

Read 2 more answers

The perimeter of a square is represented by the expression 4(4.3 - 6). Which statement is true?O The perimeter can also be repre

lana66690 [7]

the perimeter is:

4(4x - 6)

Applying distributive property:

4(4x) - 4(6)

16x - 24

Then, the perimeter can also be represented by 16x - 24 because 4(4x - 6) can be simplified to 16x - 24

7 0

11 months ago