Step-4

Title: Substitue the variable value using different methods in the expression

Grade: 6-a Lesson: S4-L7

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step Type Explanation Answer

1

Problem

Calculate
\$ 5^1 × 5^7 ÷ 5^3 \$

2

Step

By using BODMAS rule

\$ 5^1 × \cancel(5^7)^4/\cancel(5^3) \$

3

Step

After cancellation we get

\$ 5^1 × 5^4 \$

4

Step

After simplification we get

\$ 5 × 625 \$

5

Step

After simplification we get

\$ 3125 \$

6

Answer

A


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