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If `a^2 + b^2 = 74` and ab = 35, then find a +
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Verify the following: `(a^2 – b^2) (a^2 + b^2) + (b^2 – c^2) (b^2 + c^2) + (c^2 – a^2) + (c^2 + a^2) =
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Find the value of a, if `pq^2a = (4pq + 3q)^2 – (4pq –
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
The value of `1/4^-2`
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#mcq
0
votes
0
answers
The value of `(-2/3)^4` is equal
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#mcq
0
votes
0
answers
Which of the following is not the reciprocal of `(2/3)^4`
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#mcq
0
votes
0
answers
Find the value `[4^(–1) +3^(–1) +
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#fib
0
votes
0
answers
To add the numbers given in standard form, we first convert them into numbers with __
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#fib
0
votes
0
answers
The standard form for 0.000000008 is
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#fib
0
votes
0
answers
The value of `[1^(–2) + 2^(–2) + 3^(–2)] xx 6^2` is ________
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#fib
0
votes
0
answers
The multiplicative inverse of `(– 4)^(–2) is
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#tnf
0
votes
0
answers
`10^(–2) =
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#tnf
0
votes
0
answers
`(–2)^0 =
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#tnf
0
votes
0
answers
The expression for `4^(–3)` as a power with the base 2 is
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#tnf
0
votes
0
answers
The standard form for 0.000037 is `3.7 xx
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#tnf
0
votes
0
answers
The standard form for 203000 is `2.03 xx
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#tnf
0
votes
0
answers
Large numbers can be expressed in the standard form by using positive
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#tnf
0
votes
0
answers
Find the multiplicative inverse of `(–7)^(–2) -:
asked
Jan 17, 2022
in
8th-maths
marks2
chapter8
#sub
0
votes
0
answers
Some migratory birds travel as much as 15,000 km to escape the extreme climatic conditions at home. Write the distance in metres using scientific
asked
Jan 17, 2022
in
8th-maths
marks2
chapter8
#sub
0
votes
0
answers
Planet A is at a distance of `9.35 xx 10^6` km from Earth and planet B is `6.27 xx 10^7` km from Earth. Which planet is nearer to
asked
Jan 17, 2022
in
8th-maths
marks3
chapter8
#sub
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