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Recent questions tagged powers and exponents
+3
votes
1
answer
No. of non-zero positive integer solution of equation tan-1(1/2x+1)+tan-1(1/4x+1)=tan-1(2/x2)
asked
Mar 31, 2019
in
JEE
by
kratos
inverse trigonometric functions
theory of equations
jee
class-7
powers and exponents
jee mains
+1
vote
1
answer
If cos (2 tan^–1x) = 1/2 , then value of x is_______
asked
Mar 1, 2019
in
JEE
by
kratos
dissolution of partnership
class-8
reconstitution of partnership firm
jee main 2020
powers and exponents
class-12
+2
votes
1
answer
Express the following in exponential form: (i) 6 x 6 x 6 x 6
asked
Feb 28, 2019
by
kratos
class-7
algebra
powers and exponents
+3
votes
1
answer
The time in which radioactive substance becomes half of its initial amount is called-
asked
Feb 18, 2019
in
JEE
by
kratos
cbse
class-8
jee
powers and exponents
jee mains
class-12
atoms
nuclei
+1
vote
1
answer
At the time of Independence, the population of India was 350 million, which exploded to over 1 billion by May 2000.
asked
Jan 30, 2019
in
Class 12
by
kratos
vision 2020
class-8
universe
class-11
class-6
class-9
powers and exponents
numbers
class-12
+1
vote
1
answer
A drop of blood contains. (a) about 10,000 cells (b) about 100,000 cells (c) several million cells
asked
Jan 16, 2019
in
Class 9
by
kratos
class-8
class-6
the sky
aiims 2019
general scince
powers and exponents
numbers
class-5
+1
vote
1
answer
Human blood contains ________ percentage of plasma.
asked
Jan 5, 2019
in
Chemistry
by
kratos
neet
class-11
aiims
physical chemistry
class-7
colligative properties
powers and exponents
dilute solutions
respiration
class-12
+2
votes
1
answer
By neglecting x^4 and higher powers of x, find an approximate value of 3√(x^2 + 64) – 3√(x^2 + 27).
asked
Dec 7, 2018
in
Physics
by
kratos
atomic and nuclear physics
class-8
indices and cube root
cubes and cube roots
application of derivatives
powers and exponents
squares and square roots
class-12
+3
votes
1
answer
Calculate the time for light emitted by the Sun to reach the Earth. Express the results in seconds,
asked
Dec 6, 2018
by
kratos
class-7
powers and exponents
the planets of the solar system
+3
votes
1
answer
225 can be expressed as
asked
Nov 19, 2018
in
Class 12
by
kratos
powers and exponents
electricity
class-12
number system
class-10
class-8
class-6
chemical kinetics
class-9
+2
votes
1
answer
A gram of distilled water at 4° C: A. will increase slightly in weight when heated to 6° C
asked
Nov 17, 2018
in
Class 11
by
kratos
class-11
class-7
the first law of thermodynamics
powers and exponents
heat and thermodynamics
+3
votes
1
answer
Draw exponential decay curve of a radioactive substance.
asked
Nov 15, 2018
in
Physics
by
kratos
isc
class-8
icse
powers and exponents
class-12
nuclear physics
+3
votes
1
answer
Time during which the amount of radioactive substance becomes half of its initial amount is called :
asked
Oct 20, 2018
in
JEE
by
kratos
cbse
class-8
jee
bseb model set
powers and exponents
jee mains
class-12
+2
votes
1
answer
Simplify and express the result in power notation with positive exponent. (i) ( 3^-7 ÷ 3^-10 ) x 3^-5 (ii) 2^-3 x (-7)^-3
asked
Oct 18, 2018
by
kratos
powers
class-8
exonents and powers
powers and exponents
exponents of power
+3
votes
1
answer
Simplify and express the result in power notation with positive exponent. (i) (-4)^5 ÷ (-4)^8 (ii) ( 1/2^3 )^2 (iii) (-3)^4 x (5/3)^4
asked
Oct 15, 2018
by
kratos
powers
algebra
class-8
exponents
class-7
powers and exponents
exponents of power
+2
votes
1
answer
Which of the following working person requires more calorie.
asked
Oct 9, 2018
in
Class 12
by
kratos
class-11
class-7
powers and exponents
class-12
+2
votes
1
answer
Newly born child is more resistant to cold because of the presence of (a) Thick dermis (b) Blubber
asked
Oct 5, 2018
in
Class 12
by
kratos
plant anatomy
neet
aiims
class-7
class-10
powers and exponents
class-12
+2
votes
1
answer
The number of bacteria in a certain culture doubles every hour. If there were 30 bacteria present in the culture originally,
asked
Oct 1, 2018
in
Class 12
by
kratos
class-8
class-11
differential equations
time and speed
powers and exponents
binomial theorem
distance
class-12
sequences and series
+2
votes
1
answer
The percentage of ‘yr’ gametes produced by a YyRr parents will be
asked
Sep 23, 2018
in
Class 12
by
kratos
neet
cbse
class-8
aiims
class-10
ecosystem
powers and exponents
class-12
heredity and evolution
+1
vote
1
answer
Choose the incorrect statement ? (a) Light from sun takes nearly eight minutes 20 seconds to come to earth.
asked
Sep 15, 2018
in
Class 11
by
kratos
nda
class-11
class-7
the planets of the solar system
powers and exponents
gravitation
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