Question

Which equations are true? Select all that apply. A. 30 × 100 = 3 , 000 B. 30 × 10 3 = 30 , 000 C. 30 × 1 , 000 = 3 , 000 D. 30 × 10 4 = 3 , 000 , 000 E. 30 × 10 , 000 = 30 , 000

Answer 1

30 × 100 = 3,000, 30 × 10³ = 30,000 and 30 × 1000 = 30000. Therefore, options A, B, C and D are the correct answers.

What is an equation?

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

A) 30 × 100 = 3,000

Here, LHS = RHS

B) 30 × 10³ = 30,000

Here, LHS = RHS

C) 30 × 1000 = 30000

Here, LHS = RHS

D) $30 \times 10^4 = 3000$

30 × 10000 = 300,000

Here, LHS ≠ RHS

E) 30 × 10000 = 30,000

= 300,000

Here, LHS ≠ RHS

Therefore, options A, B, C and D are the correct answers.

To learn more about an equation visit:

brainly.com/question/14686792.

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