Question

19. The expanded form of 405972 using exponents is​

Answer 1

Given : 405972

To Find :  expanded form of 405972 using exponents

Solution:

405972  = 400000 + 0  + 5000 + 900 + 70  + 2

= 4 x 100000 + 0 * 10000 + 5 * 1000 + 9 * 100 + 7 * 10  + 2 * 1

= 4 x 10⁵  + 0 x 10⁴  + 5 x 10³  + 9 x 10²  + 7 x 10¹   + 2 x 10⁰

405972  =  4 x 10⁵  + 0 x 10⁴  + 5 x 10³  + 9 x 10²  + 7 x 10¹   + 2 x 10⁰

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Answer 2

Given:

The number is 405972.

To Find:

The expanded form of 405972 using exponent.

Solution:

To find the expanded form of 405972 using exponent = ?

• $\sf 405972 = 400000 + 0 + 5000 + 900 + 70 + 2$

• $\sf 4 \times 100000 + 10000 + 5 \times 1000 + 9 \times 100 + 7 \times 10 + 2 \times 1$

• $\sf 4 \times 10^5 + 0 \times 10^4 + 5 \times 10^3 + 9 \times 10^2 + 7 \times 10^1 + 2 \times 10^0$

• $\sf 405972 = 4 \times 10^5 + 0 \times 10^4 + 5 \times 10^3 + 9 \times 10^2 + 7 \times 10^1 + 2 \times 10^0$

Ans: 405972 = 4 × 10⁵ + 0 × 10⁴ + 5 × 10³ + 9 × 10² + 7 × 10¹ + 2 × 10⁰.