6. Write an expression that can be used to multiply $$ 6 imes 198 $$ mentally.

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6. Write an expression that can be used to multiply $$ 6 	imes 198 $$ mentally.

UpStudy AI · Accepted Answer

To multiply $$ 6 \times 198 $$ mentally, we can break down the number $$ 198 $$ into a more manageable form.

We can express $$ 198 $$ as $$ 200 - 2 $$. This allows us to use the distributive property of multiplication:

$$
6 \times 198 = 6 \times (200 - 2)
$$

Now, we can distribute $$ 6 $$ across the terms in the parentheses:

$$
6 \times 198 = 6 \times 200 - 6 \times 2
$$

Calculating each part:

1. $$ 6 \times 200 = 1200 $$
2. $$ 6 \times 2 = 12 $$

Now, we can combine these results:

$$
6 \times 198 = 1200 - 12 = 1188
$$

Thus, the expression that can be used to multiply $$ 6 \times 198 $$ mentally is:

$$
6 \times (200 - 2)
$$

This simplifies the calculation and makes it easier to compute mentally.
To multiply $$ 6 \times 198 $$ mentally, you can break it down as $$ 6 \times (200 - 2) $$, which equals $$ 1200 - 12 = 1188 $$.

6. Write an expression that can be used to multiply \( 6 \times 198 \) mentally.

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