Class 7 Maths
Exponents and Powers
Question 1:
Evaluate: ( )2
Question 2:
Express the rational number in exponential form.
Question 3:
Write the reciprocal of ( )6 in exponential form.
Question 4:
Simplify and express the result in exponential form:
(i) ( )7 x (
)5
Question 5:
Find the value of (-4)3
Question 6:
Simplify:
(i) 2 x 103
(ii) 72 X 22
Question 7:
Simplify: ( -3)2 x (-5)2
Question 8:
Identify the greater number: 53 or 35
Question 9:
Find the product of the cube of and the square of
Question 10:
Simplify: (6-1 – 8-1)-1 + (2-1 – 3-1)-1
Question 11:
Simplify: (2-1 ÷ 5-1)2 x ( )-1
Question 12:
Simplify: ( )-2 + (
)-2 + (
)-2
Question 13:
Express 427500000 in standard form.
Question 14:
Write 8.235 X 1011 in usual form.
Question 15:
Evaluate:
(i) 50
(ii) (20 + 30)
Question 16:
If 9 x 3n = 36, find the value of n.
Question 17:
Write 7504289 in exponential form.
Question 18:
Find the number from the given exponential form.
6 X 103 + 8 X 102 + 4 X 101 + 7 X 100
Question 19:
Write the following numbers in the usual form:
(i) 7.54 X 106
(ii) 9.325 X 1012
Question 20:
Using laws of exponents, simplify and write the answer in exponential form:
(i) 32 X 34 X 33
(ii) 615 610
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In summary, problem-solving after learning a theoretical concept on CBSE Exponents and Powers Class 7 Maths is an essential part of the learning process. It enhances your understanding, critical thinking abilities, and retention of knowledge. Moreover, it equips you with valuable skills that are applicable in academic, personal, and professional contexts.
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Practicing questions plays a pivotal role in achieving excellence in exams. Just as the adage goes, "Practice makes perfect," dedicating time to solve a diverse range of exam-related questions yields manifold benefits. Firstly, practicing questions allows students to familiarize themselves with the exam format and types of problems they might encounter. This familiarity instills confidence, reducing anxiety and improving performance on the actual exam day. Secondly, continuous practice sharpens problem-solving skills and enhances critical thinking, enabling students to approach complex problems with clarity and efficiency. Thirdly, it aids in identifying weak areas, allowing students to focus their efforts on improving specific topics. Moreover, practice aids in memory retention, as active engagement with the material reinforces learning. Regular practice also hones time management skills, ensuring that students can allocate appropriate time to each question during the exam. Overall, practicing questions not only boosts exam performance but also instills a deeper understanding of the subject matter, fostering a holistic and effective learning experience.
All About Daily Practice Problems on Class 7 Maths Exponents and Powers NCERT Chapter 13
Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on Class 7 Maths Exponents and Powers NCERT Chapter 13 useful.
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