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12 x 107
3 x 104
Please help

User Yroc
by
8.7k points

2 Answers

1 vote

Answer:

1,284

312

Explanation:

Example:

32 x 3 = ?

Multiply the ones: 3 x 2 = 6

Multiply the tens: 3 x 3 = 9

32 x 3 = 96

Carrying Example:

96 x 8 = ?

MULTIPLY ONES: 6 x 8 = 48

WRITE AND CARRY: Write the "8" and carry the "4"

MULTIPLY TENS: 8 x 9 = 72

ADD: Add the carried amount. 72 + 4 = 76

WRITE: Write down the "76"

Answer: 96 x 8 = 768

This works for however many digits you need to multiply.

User Andy Ford
by
8.8k points
4 votes

Answer:

12 * 105 = 1260

3 * 104 = 312

User DDelforge
by
8.2k points

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