NCERT Class 8

159. Find a single repeater machine that will do the same work as each hook-up 159. Find a single repeater machine that will do the same work as each hook-up August 1, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,

158. Find a single machine that will do the same job as the given hook-up. (a) a (× 2^3) machine followed by (× 2^–2) machine. 158. Find a single machine that will do the same job as the given hook-up. (a) a (× 2^3) machine followed by (× 2^–2) machine. August 1, 2021 Category: Chapter [...]

157. Ajay had a 1cm 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? 000 cm long. What is the missing value? 157. Ajay had a 1cm piece of gum. He put it through repeater machine given below and it came [...]

156. Sanchay put a 1cm stick of gum through a (1 × 3^–2) machine. How long was the stick when it came out? 156. Sanchay put a 1cm stick of gum through a (1 × 3^–2) machine. How long was the stick when it came out? August 1, 2021 Category: Chapter 12 - Exponents and [...]

155. What happens when 1 cm worms are sent through these hook-ups? 155. What happens when 1 cm worms are sent through these hook-ups? August 1, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,

154. Shrinking Machine 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? 154. Shrinking Machine In a shrinking machine a piece of stick is compressed to reduce its [...]

153. In a repeater machine with 0 as an exponent, the base machine is applied 0 times. (a) What do these machines do to a piece of chalk? (b) What do you think the value of 60 is? You have seen that a hookup of repeater machines with the same base can be replaced by [...]

152. What will the following machine do to a 2 cm long piece of chalk? 152. What will the following machine do to a 2 cm long piece of chalk? August 1, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,

151. Find three repeater machines that will do the same work as a (×64) machine. Draw them, or describe them using exponents. 151. Find three repeater machines that will do the same work as a (×64) machine. Draw them or describe them using exponents. August 1, 2021 Category: Chapter 12 - Exponents and Powers , [...]

150. For the following repeater machines, how many times the base machine is applied and how much the total stretch is? 150. For the following repeater machines how many times the base machine is applied and how much the total stretch is? August 1, 2021 Category: Chapter 12 - Exponents and Powers , Maths , [...]