NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Expert Answers
ALL
Yashwnt Samal
Subject: Maths
, asked on 14/2/18
Solution of both enrichment questions
Q.1. If
9
x
×
3
2
×
3
-
x
2
-
2
=
1
27
, find x.
Q.2. By what number should
-
3
2
-
3
be divided so that the quotient may be
-
8
27
-
2
.
Answer
1
Dhriti Choudhary
Subject: Maths
, asked on 12/2/18
Answer quick to be there. Please?:
Q 16. Simplify by using laws of exponents
16
625
-
2
4
×
243
32
-
3
5
Answer
1
Sanyam Goel
Subject: Maths
, asked on 5/2/18
Solve this:
Q. Find the remainder
1
2013
+
2
2013
+
3
2013
+
.
.
.
.
.
.
.
.
.
+
2014
2013
2013
Answer
1
Tiara D'souza
Subject: Maths
, asked on 4/2/18
Pls answer the 4th question the exponent one asap
Q.4. Simplify and express as positive exponent
2
8
8
-
2
.
Answer
3
Shreya Baranwal
Subject: Maths
, asked on 1/2/18
Solve this:
Q).
16
×
2
x
+
1
-
4
×
2
x
16
×
2
x
+
2
-
2
×
2
x
+
2
Answer
1
Ifrah
Subject: Maths
, asked on 1/2/18
Q. Simplify :
2
9
-
5
×
2
9
3
Q
.
W
h
a
t
i
s
t
h
e
v
a
l
u
e
o
f
7
-
1
-
8
-
1
-
1
-
3
-
1
-
4
-
1
-
1
?
Q. Simplify the following and express with positive exponents : -
a.
1
9
3
×
1
9
-
5
b.
5
4
-
1
×
2
5
-
1
-
1
Q. Find the value of x, if
2
3
-
5
×
2
3
12
=
2
3
3
x
-
2
Answer
1
Rishi Bhardwaj
Subject: Maths
, asked on 31/1/18
Why a number n raised to the power 0 is equal to 1 ? How can itbe proved?
Please answer properly.
Answer
1
Saniyah
Subject: Maths
, asked on 5/1/18
find k if 5
k
+ 5
k-1
= 750
Answer
4
Saniyah
Subject: Maths
, asked on 5/1/18
evaluate
2
55
x 2
60
- 2
97
x 2
18
Answer
2
Saniyah
Subject: Maths
, asked on 5/1/18
express the following numbers in usual form
a)4.32 x 10
5
b)6.45 x 10
-4
Answer
2
Saniyah
Subject: Maths
, asked on 5/1/18
Find the value of x, when
a)5
-5
x 5
2x + 1
= 5
13
/5
7
b){[(2/5)
2
]
4
} = {[(2/5)
-2
]
x - 1
}
-3
Answer
1
Saniyah
Subject: Maths
, asked on 5/1/18
evaluate
9
3
x 27 x (81)
4
/3
-2
x 3
4
x (81)
2
Answer
2
Saniyah
Subject: Maths
, asked on 4/1/18
Evaluate
a) (3
-2
)
2
x (5
2
)
-3
x (7
-3
)
2
/(3
-2
)
5
x (5
-3
)
2
x (7
-4
)
3
Answer
2
Saniyah
Subject: Maths
, asked on 4/1/18
Simply
a)[(3
2
)
-4
]
3
b)[(-5)
-4
x 7
4
]
3
Answer
2
Saniyah
Subject: Maths
, asked on 4/1/18
Express the following as positive exponents
a) 2
-4
b) 10
-5
c) (3/5)
-2
Answer
1
Prev
2
3
4
5
6
Next
What are you looking for?
Q.1. If , find x.
Q.2. By what number should be divided so that the quotient may be .
Q 16. Simplify by using laws of exponents
Q. Find the remainder
Q.4. Simplify and express as positive exponent .
Q).
Q. Simplify the following and express with positive exponents : -
a. b.
Q. Find the value of x, if
Please answer properly.
255 x 260 - 297 x 218
a)4.32 x 105
b)6.45 x 10-4
a)5-5 x 52x + 1 = 513/57
b){[(2/5)2]4} = {[(2/5)-2]x - 1}-3
93 x 27 x (81)4/3-2 x 34 x (81)2
a) (3-2)2 x (52)-3 x (7-3)2/(3-2)5 x (5-3)2 x (7-4)3
a)[(32)-4]3
b)[(-5)-4 x 74]3
a) 2-4
b) 10-5
c) (3/5)-2