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Questions by nikhil
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Find the value of
asked
Jan 18, 2022
in
8th-maths
marks1
chapter12
#sub
0
votes
0
answers
Find the value of
asked
Jan 18, 2022
in
8th-maths
marks1
chapter12
#sub
0
votes
0
answers
Simplify and express the result in power notation with positive exponent. `(– 4)^5 ÷ (–
asked
Jan 18, 2022
in
8th-maths
marks1
chapter12
#sub
0
votes
0
answers
Find the value of.
asked
Jan 18, 2022
in
8th-maths
marks1
chapter12
#sub
0
votes
0
answers
Express the following numbers in standard form. 0.0000000000085
asked
Jan 18, 2022
in
8th-maths
marks1
chapter12
#sub
0
votes
0
answers
Express the number appearing in the following statements in standard form. Size of a plant cell is 0.00001275
asked
Jan 18, 2022
in
8th-maths
marks1
chapter12
#sub
0
votes
0
answers
If 15 workers can build a wall in 48 hours, how many workers will be required to do the same work in 30
asked
Jan 18, 2022
in
8th-maths
marks1
chapter13
#sub
0
votes
0
answers
Factorise the expressions and divide them as directed: `(x^2 – 22x + 117) -: (x –
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
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
Find the value of a, if `9a = 76^2 –
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise `p^4 + q^4 +
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Find x so that `(–5)^(x+1) xx (–5)^5 =
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#sub
0
votes
0
answers
If x be any integer different from zero and m, n be any integers, then `(x^m)^n` is equal
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
`3^5 -: 3^–6` can be simplified as
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#fib
0
votes
0
answers
The value of `3 xx 10^(-7)` is equal to
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#fib
0
votes
0
answers
On multiplying _________ by `2^(–5)` we get
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#fib
0
votes
0
answers
The expression for `3^5` with a negative exponent is
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#fib
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