littledevon09 littledevon09

18-02-2018
Mathematics

contestada

Simplify the expression. Write the answer using scientific notation.
(5x10^2)^-2

A. 0.04x10^-4
B. -10x10^-4
C. 4.0x10^-6
D. 4.0x10^-5

Respuesta :

Banabanana Banabanana

18-02-2018

[tex](5\cdot10^2)^{-2}=5^{-2}\cdot10^{-4}= \cfrac{1}{5^2} \cdot10^{-4}=\cfrac{1}{25} \cdot10^{-4}=0.04\cdot10^{-4}=4\cdot10^{-6}[/tex]

The answer is C. 4.0x10^-6

Answer Link

Otras preguntas

yuri has a rope 12 meters long. he cuts it into pieces that are each 2 meters long. what fraction of the rope is one piece

what do all word equations start with? what comes next in the word equation? how is the word equation concluded ?

Compare/contrast the “greenhouse effect” of the earth to an actual green house. Explain 2 reasons why they are similar and 2 reasons why they are different

the constitution defines the roles of

The State of the Union address is given to a __________ session of Congress. a. joint b. special c. conjoined d. connected

Which of the following is intended primarily to enhance a person's tax advantage and retirement income

energy moves via photons in which region of the sun

Is sparse living accommodations a characteristic of Athens, Sparta, or both? a. Athens b. Sparta c. Athens and Sparta

In Emily Dickinson's "It sifts from Leaden Sieves," what do words such as Celestial and Ghosts suggest about the snowfall? A. Snowfall can seem mysterious

how would bones in an octopus arms affect the way they use them