brinkcwar brinkcwar

03-02-2015
Mathematics

contestada

What does (-9)^-2 mean?

Respuesta :

apologiabiology apologiabiology

03-02-2015

it means -9 times -9 all under 1 so
1/(-9^2)=(-9)^-2

so the answer is 1/81

Answer Link

Otras preguntas

Which of the substances listed in the table on the first page would heat up more quickly if an equal amount of heat energy were applied to all of the substance

negative acceleration & positive acceleration, what are they?

what is V=LWH for L?

Absolute value inequality. |2w-5| ((is less than or equal to)) 5

Theo bought these items shoes that cost $19.99 socks that cost $ 4.19, a shirt that costs $ 8.50 and pants that cost $27.75. how can he estimate the total cost

a middle school scored three field goals worth three points each and two touchdowns worth six points, where each touchdown also had an additional score of two p

What is 45/60 in simplest form

Name one reason why Sevilla, Spain is famous

Any help with this problem? X/5-g=a for x

If 2x+ 3y = 55 and 4x= y+ 47, ﬁnd x − y. Can you please explain with some details?