Melaniedawson334 Melaniedawson334

20-02-2017
Mathematics

contestada

find all the real square roots of 0.0081

a.0.9 and -0.9
b. 0.0405 and -0.0405
c. 0.2846 and -0.2846
d. 0.09 and -0.09

Respuesta :

brittneyrost brittneyrost

20-02-2017

The answer will be d. With decimals, the order of magnitude will decrease when multiplied. as 0.0081 is to the third decimal place you know the answer will be to the second decimal place leaving 0.09 and -0.09. It has to be 9 as 9^2 is 81

Answer Link

Otras preguntas

Explain the difference between substantive adminstrative law and procedural adminstrative law

exponential growth or decay.

Revolución de octubre de 1917 y establecimiento del régimen

Consider the following force: A large horseshoe magnet is pushing forward on a small horseshoe magnet with a force of 75N. According to Newton's third law, what

The top of the tree broken by the wind makes an angle of 30° with the ground of a distance 6.92 m from the root of the tree. find the length of broken part

I need help to solve this expression 8(5)^2 -17

Attempting to control ownership of seeds, the global food supply is in jeopardy of becoming the intellectual property of a few agricultural corporations. Choose

Which questions help a reader compare and contrast introductions to argumentative texts on the same topic? Select the two correct answers.(1 point)

Plot a point at (4,0).

If a person has the inability to see at 20 feet what a typical person can see at 200 feet, the condition is classified as: a) Blindness b) Partial sightedness