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Factorise the expressions and divide them as directed: `(x^4 – 16) -: x^3 + 2x^2 + 4x +
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
The area of a square is given by `4x^2 + 12xy + 9y^2`. Find the side of the
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
If x – y = 13 and xy = 28, then find `x^2 +
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Find the length of the side of the given square if area of the square is 625 square units and then find the value of x.
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
`(2^-3)^2 xx (3^-2)^3`
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#fib
0
votes
0
answers
For a non-zero integer x, `x^7 -: x^12` is equal
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#mcq
0
votes
0
answers
The standard form for 0.000064
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#mcq
0
votes
0
answers
For a non-zero rational number z, `(z^-2)^3` is equal
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#mcq
0
votes
0
answers
The standard form of `(1/100000000)` is
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#fib
0
votes
0
answers
The value for `(–7)^6 -: 7^6` is
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#fib
0
votes
0
answers
`10^(–2) =
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#tnf
0
votes
0
answers
`(–6)^0 =
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#tnf
0
votes
0
answers
`a^m xx b^m =
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#tnf
0
votes
0
answers
Express `16/18` and `(-16)/18` as powers of a rational
asked
Jan 17, 2022
in
8th-maths
marks2
chapter8
#sub
0
votes
0
answers
Find the value of x so that `(5/3)^(-3) xx (5/3)^(-14) =
asked
Jan 17, 2022
in
8th-maths
marks2
chapter8
#sub
0
votes
0
answers
Find the value of x so that `(2^(–1) + 4^(–1) + 6^(–1) + 8^(–1))x =
asked
Jan 17, 2022
in
8th-maths
marks2
chapter8
#sub
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
marks2
chapter8
#sub
0
votes
0
answers
The cells of a bacteria double itself every hour. How many cells will there be after 8 hours, if initially we start with 1 cell. Express the answer in
asked
Jan 17, 2022
in
8th-maths
marks3
chapter8
#sub
0
votes
0
answers
Investigating Solar System The table shows the average distance from each planet in our solar system to the sun. (a) Complete the table by expressing the distance from each planet to the Sun in scientific
asked
Jan 17, 2022
in
8th-maths
marks3
chapter8
#sub
0
votes
0
answers
The planet Uranus is approximately 2,896,819,200,000 metres away from the Sun. What is this distance in standard
asked
Jan 17, 2022
in
8th-maths
marks3
chapter8
#sub
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