हिंदी

Find two repeater machines that will do the same work as a (× 81) machine. - Mathematics

Advertisements
Advertisements

प्रश्न

Find two repeater machines that will do the same work as a (× 81) machine.

योग
Advertisements

उत्तर

Two repeater machines that do the same work as (× 81) are (× 34) and (× 92).

Since, factor of 81 are 3 and 9.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 8: Exponents and Powers - Exercise [पृष्ठ २७२]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics [English] Class 8
अध्याय 8 Exponents and Powers
Exercise | Q 165. | पृष्ठ २७२

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

The diameter of the Sun is 1.4 × 109 m and the diameter of the Earth is 1.2756 × 107 m.


The table shows the average distance from each planet in our solar system to the sun.

Planet Distance from Sun
(km)
Distance from Sun
(km) Standard
Notation
Earth 149,600,000 1.496 × 108
Jupiter 778,300,000  
Mars 227,900,000  
Mercury 57,900,000  
Neptune 4,497,000,000  
Pluto 5,900,000,000  
Saturn 1,427,000,000  
Uranus 2,870,000,000  
Venus 108,200,000  
  1. Complete the table by expressing the distance from each planet to the Sun in scientific notation.
  2. Order the planets from closest to the sun to farthest from the sun.

Two machines can be hooked together. When something is sent through this hook up, the output from the first machine becomes the input for the second. Which two machines hooked together do the same work a (× 102) machine does? Is there more than one arrangement of two machines that will work?


Two machines can be hooked together. When something is sent through this hook up, the output from the first machine becomes the input for the second. Which stretching machine does the same work as two (× 2) machines hooked together?



For the following repeater machines, how many times the base machine is applied and how much the total stretch is?


Find three repeater machines that will do the same work as a (× 64) machine. Draw them, or describe them using exponents.


What will the following machine do to a 2 cm long piece of chalk?


In a shrinking machine, a piece of stick is compressed to reduce its length. If 9 cm long sandwich is put into the shrinking machine below, how many cm long will it be when it emerges?


Ajay had a 1 cm piece of gum. He put it through repeater machine given below and it came out `1/(100,000)` cm long. What is the missing value?


Neha needs to stretch some sticks to 252 times their original lengths, but her (× 25) machine is broken. Find a hook-up of two repeater machines that will do the same work as a (× 252) machine. To get started, think about the hookup you could use to replace the (× 25) machine.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×