Hot questions

0 votes

0 answers

For any two non-zero rational numbers x and y, `x^4 -: y^4` is equal

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

0 votes

0 answers

For a non-zero rational number p, `p^13 -: p^8` is equal

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

0 votes

0 answers

50 =

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

0 votes

0 answers

`5^5 xx 5^(–5)` =

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

0 votes

0 answers

The expression for `8^(–2)` as a power with the base 2 is

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

0 votes

0 answers

Very large numbers can be expressed in standard form by using _________

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

0 votes

0 answers

The standard form for 0.000000008 is

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

0 votes

0 answers

The value of `[2^(–1) xx 3^(–1)]^(–1)` is

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

0 votes

0 answers

Simplify: -1. `(1/4)^(-2) + (1/2)^(-2) +

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

0 votes

0 answers

By what number should `(–15)^(–1)` be divided so that quotient may be equal to `(–15)^(–1)`

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

0 votes

0 answers

Find the multiplicative inverse of `(–7)^(–2) -:

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

0 votes

0 answers

`6^n/6^(-2) =

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

0 votes

0 answers

An inch is approximately equal to 0.02543 metres. Write this distance in standard

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

0 votes

0 answers

The volume of the Earth is approximately `7.67 xx 10^(–7)` times the volume of the Sun. Express this figure in usual

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

0 votes

0 answers

An electron’s mass is approximately `9.1093826 xx 10^(–31)` kilograms. What is this mass in

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

0 votes

0 answers

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)`. (a) What fraction of substance remains after 7 half-lives? (b) After how many half-lives will the fraction be `1/243` of the

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

0 votes

0 answers

Find three repeater machines that will do the same work as a `(xx64)` machine. Draw them, or describe them using

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

0 votes

0 answers

Sanchay put a 1cm stick of gum through a `(1 xx 3^(–2))` machine. How long was the stick when it came

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

0 votes

0 answers

For each hook-up, determine whether there is a single repeater machine that will do the same work. If so, describe or draw it (a) (b) (c) (d)(e)

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

0 votes

0 answers

Neha needs to stretch some sticks to `25^2` times their original lengths, but her `(xx2^5)` machine is broken. Find a hook-up of two repeater machines that will do the same work as a `(xx25^2)` machine. To get started, think about the hookup you could use to replace the `(xx2^5)` machine.

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

Hot questions

Categories