Question Text
Question 3 :
Find two repeater machines that will do the same work as a (× 81) machine.
Question 4 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cccdf59b460d7261edec.PNG' />
Refer to the above image. Determine whether there is a single repeater machine that will do the same work. If so, describe it.
Question 5 :
Express in standard form: Size of a plant cell is 0.00001275 m
Question 6 :
Find the value of $(3^{– 1} + 4^{– 1} + 5^{– 1})^0$
Question 10 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cccbf59b460d7261ede9.PNG' />
From the above figure, find a single repeater machine that will do the same work as each hook-up.
Question 11 :
Simplify and write the answer in the exponential form.$(– 4)^{– 3} × (5)^{– 3} × (–5)^{– 3}$
Question 23 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ccd3f59b460d7261edf5.PNG' />
From the above figure, supply the missing information for diagram.
Question 25 :
Express in standard form: 1 micron is equal to $\frac{1}{1000000} m$
Question 27 :
State true or false: Exponential notation is a powerful way to express repeated multiplication of the same number
Question 29 :
Express the result in power notation with positive exponent. $(3^{– 7}÷3^{– 10}) × 3^{– 5}$
Question 30 :
Find the value of $(2^{– 1} × 4^{– 1}) ÷ 2^{– 2}$