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Exponents and Powers

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Exponents and their Meaning

Subtopic

Exponents and their Meaning under Exponents and Powers for Grade 7 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the value of 15015^0?

    A.

    0

    B.

    15

    C.

    1

    D.

    150

  2. 2.

    How is 256 expressed as a power of 4?

    A.

    434^3

    B.

    444^4

    C.

    454^5

    D.

    424^2

  3. 3.

    What is the value of 13113^1?

    A.

    1

    B.

    0

    C.

    13

    D.

    131

Download the worksheet for Exponents and Powers - Exponents and their Meaning to practice offline. It includes additional chapter-level practice questions.

Laws of Exponents

Subtopic

Laws of Exponents under Exponents and Powers for Grade 7 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Simplify 25÷212^5 \div 2^1.

    A.

    262^6

    B.

    252^5

    C.

    242^4

    D.

    141^4

  2. 2.

    Find the value of (−1)2001(-1)^{2001}.

    A.

    11

    B.

    −1-1

    C.

    20012001

    D.

    −2001-2001

  3. 3.

    What is xa⋅xb⋅xcx^a \cdot x^b \cdot x^c?

    A.

    xabcx^{abc}

    B.

    xa+b+cx^{a+b+c}

    C.

    3xa+b+c3x^{a+b+c}

    D.

    xa−b−cx^{a-b-c}

Download the worksheet for Exponents and Powers - Laws of Exponents to practice offline. It includes additional chapter-level practice questions.

Decimal Number System

Subtopic

Decimal Number System under Exponents and Powers for Grade 7 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The usual form of 6.0×1056.0 \times 10^5 is:

    A.

    60,00060,000

    B.

    6,00,0006,00,000

    C.

    6,0006,000

    D.

    60,00,00060,00,000

  2. 2.

    Standard form of 10,000,00010,000,000 is:

    A.

    1×1071 \times 10^7

    B.

    10×10610 \times 10^6

    C.

    1×1061 \times 10^6

    D.

    1×1081 \times 10^8

  3. 3.

    The number 1×104+1×102+1×1001 \times 10^4 + 1 \times 10^2 + 1 \times 10^0 is equal to:

    A.

    1,1011,101

    B.

    10,10110,101

    C.

    111111

    D.

    10,01110,011

Download the worksheet for Exponents and Powers - Decimal Number System to practice offline. It includes additional chapter-level practice questions.

Expressing Large Numbers in Standard Form

Subtopic

Expressing Large Numbers in Standard Form under Exponents and Powers for Grade 7 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the standard form of 44,00,00,00,00044,00,00,00,000?

    A.

    4.4×1094.4 \times 10^9

    B.

    4.4×10104.4 \times 10^{10}

    C.

    4.4×10114.4 \times 10^{11}

    D.

    44×10944 \times 10^9

  2. 2.

    Express 2.22×1022.22 \times 10^2 in usual form.

    A.

    2.222.22

    B.

    22.222.2

    C.

    222222

    D.

    2,2202,220

  3. 3.

    The standard form of 9,10,00,0009,10,00,000 is:

    A.

    9.1×1069.1 \times 10^6

    B.

    9.1×1079.1 \times 10^7

    C.

    91×10691 \times 10^6

    D.

    9.1×1089.1 \times 10^8

Download the worksheet for Exponents and Powers - Expressing Large Numbers in Standard Form to practice offline. It includes additional chapter-level practice questions.

Exponents and Powers - CBSE Class 7 Maths Notes & Revision | Krit.club