Advertisements
Advertisements
प्रश्न
For hook-up, determine whether there is a single repeater machine that will do the same work. If so, describe or draw it.
Advertisements
उत्तर
Using law of exponents,
am × an = (a)m + n ...[∵ a is non-zero integer]
Hook-up machine can do the work = 23 × 32 = 8 × 9 = 72
So, it is not possible for a single machine to do the same work.
Since, (× 82) = 64 and (× 92) = 81
APPEARS IN
संबंधित प्रश्न
The value of `(2/5)^-2` is ______.
By solving (60 – 70) × (60 + 70) we get ______.
Solve the following:
2–2 × 2–3
By what number should (–15)–1 be divided so that quotient may be equal to (–15)–1?
Consider a quantity of a radioactive substance. The fraction of this quantity that remains after t half-lives can be found by using the expression 3–t. What fraction of substance remains after 7 half-lives?
Fill in the blanks
In a repeater machine with 0 as an exponent, the base machine is applied 0 times. What do you think the value of 60 is?
Find a single repeater machine that will do the same work as hook-up.
By what number should (–15)–1 be divided so that the quotient may be equal to (–5)–1?
By what number should (–8)–3 be multiplied so that the product may be equal to (–6)–3?
