Question Answers

163. Supply the missing information for each diagram. 163. Supply the missing information for each diagram. August 1, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,

162. Neha needs to stretch some sticks to 25^2 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 (×25^2) machine. To get started, think about the hookup you could use to replace the (×25) machine. 162. Neha needs to [...]

161. Shikha has an order from a golf course designer to put palm trees through a (× 2^3) machine and then through a (× 3^3) machine. She thinks she can do the job with a single repeater machine. What single repeater machine should she use? 144. Fill in the blanks August 1, 2021 Category: Chapter [...]

160. For each hook-up, determine whether there is a single repeater machine that will do the same work. If so, describe or draw it. 160. For each hook-up describe or draw it. determine whether there is a single repeater machine that will do the same work. If so August 1, 2021 Category: Chapter 12 - [...]

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 [...]