Find the value of 7 − 3 . Options: A . &nbsp343 B . &nbsp1343 C . &nbsp121 D . &nbsp149

Answer: Option B : B We know that a − m = 1 a m for any non-zero integer a and integer m . ⟹ 7 − 3 = 1 7 3 = 1 7 × 7 × 7 = 1 343

Find the value of 7−3.

Question

Find the value of

7^{- 3}

Options:

A . 343

B . 1343

C . 121

D . 149

Answer: Option B
:
B
We know that

a^{- m} = \frac{1}{a^{m}}

for any non-zero integer

a

and integer

m .

⟹ 7^{- 3} = \frac{1}{7^{3}}

= \frac{1}{7 \times 7 \times 7} = \frac{1}{343}

Was this answer helpful ?

Next Question

Question 1. If 3676.48 can be written in expanded form as: 3×10a+b×102+7×10c+6×100+4×10d+e×10−2 . Find the value of a+b−c....be written in expanded form as: 3×10a+b×102+7×10c+6×100+4×10d+e×10−2 . Find the value of a+b−c−d−e. __

Question 2. Simplify :(16−2−13−3)÷15−2....

Question 3. ((2)2)2× (33 ÷42) ÷ 32 is equal to ....

Question 4. 8,780,000,000,000= _______.....

Question 5. 1 micron equals to _________. ....

Question 6. The value of 27 is _____.....

Question 7. Find the multiplicative inverse of 10−5.....

Question 8. The value of 1000∘ is 1000.....

Question 9. If m and n are integers, a is a non-zero integer and am × an =ax, then the value of x is _____. ....

Question 10. Evaluate the exponential expression x5 × x4, for x = 2.....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

DSP Combined 1 Free Revision Test SAIL JO E-0

GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0

BSP Plant Specific Review Test SAIL JO E-0

BSL Combined 1 Free Revision Test SAIL JO E-0

GFM Combined 1 Free Revision Test SAIL JO E-0