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Step-3

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 \$ 4^7 ÷ 4^3 × 2^1 \$
2	Step	By using BODMAS rule	\$ \cancel(4^7)^4/\cancel(4^3) × 2^1 \$
3	Step	After cancellation we get	\$ 4^4 × 2^1 \$
4	Step	After simplification we get	\$ 256 × 2 \$
5	Step	After simplification we get	\$ 512 \$
6		Answer	B

Step

Type

Explanation

Answer

Problem

Calculate
\$ 4^7 ÷ 4^3 × 2^1 \$

Step

By using BODMAS rule

\$ \cancel(4^7)^4/\cancel(4^3) × 2^1 \$

Step

After cancellation we get

\$ 4^4 × 2^1 \$

Step

After simplification we get

\$ 256 × 2 \$

Step

After simplification we get

\$ 512 \$

Answer