Hot questions

0 votes

0 answers

If `x-1/x=7` then find the value of

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

0 votes

0 answers

Multiplicative inverse of `2^7`

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

0 votes

0 answers

Find x so that `(–5)^(x+1) xx (–5)^5 =

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

0 votes

0 answers

`3^(–2)` can be written

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

0 votes

0 answers

The standard form for 0.000064

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

0 votes

0 answers

The usual form of `3.41 xx 10^6` is

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

0 votes

0 answers

The usual form of `2.39461 xx 10^6` is

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

0 votes

0 answers

By multiplying `(5/3)^4` by ________ we get

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

0 votes

0 answers

`24.58 = 2 xx 10 + 4 xx 1 + 5 xx 10 + 8 xx

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

0 votes

0 answers

`(–6)^0 =

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

0 votes

0 answers

`(–7)^(–4) xx (–7)^2 =

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

0 votes

0 answers

The standard form for 203000 is `2.03 xx

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

0 votes

0 answers

The value of `5^(–2)` is equal to

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

0 votes

0 answers

A sugar factory has annual sales of 3 billion 720 million kilograms of sugar. Express this number in the standard

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

0 votes

0 answers

A half-life is the amount of time that it takes for a radioactive substance to decay to one half of its original quantity. Suppose radioactive decay causes 300 grams of a substance to decrease to `300 xx 2^(–3)` grams after 3 half-lives. Evaluate `300 xx 2^(–3)` to determine how many grams of the substance are left. Explain why the expression `300 xx 2^(–n)` can be used to find the amount of the substance that remains after n

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

0 votes

0 answers

A particular star is at a distance of about `8.1 xx 10^13` km from the Earth. Assuring that light travels at `3 xx 10^8` m per second, find how long does light takes from that star to reach the

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

0 votes

0 answers

The discount per cent is calculated on the _________ price of an

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

0 votes

0 answers

The compound interest on Rs 8,000 for one year at 16% p.a. compounded half yearly is _________, given that `(1.08)^2 =

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

0 votes

0 answers

The cost of a tape-recorder is Rs 10,800 inclusive of sales tax charged at 8%. The price of the tape-recorder before sales tax was charged is

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

0 votes

0 answers

Three times a number is 200% increase in the number, then one-third of the same number is 200% decrease in the

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

Hot questions

Categories