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In this lesson, we will learn how to multiply decimals up to thousandths by 10, 100, and 1000.

Q1:

A woman saves 38.25 LE of her salary each month. How much has she saved from her salary in 100 months?

Q2:

Calculate 1 0 0 × 9 6 .

Q3:

Fill in the blanks.

Q4:

Calculate ( 7 4 . 3 8 8 − 5 7 . 8 0 8 ) × 1 0 0 0 .

Q5:

7 7 . 4 9 × 1 0 ≈ to the nearest unit.

Q6:

Calculate ( 5 5 . 9 4 4 × 1 0 0 ) − 3 . 0 4 6 .

Q7:

Calculate ( 7 4 . 1 1 2 − 1 1 . 4 4 8 ) × 1 0 0 .

Q8:

Calculate ( 8 7 . 8 3 1 × 1 0 0 0 ) − 7 1 . 9 6 4 .

Q9:

Calculate ( 5 9 . 9 × 1 0 ) − 3 2 . 4 .

Q10:

Q11:

Fill in the blank: 1 0 0 × 5 = 3 0 0 + .

Q12:

Calculate 3 3 . 9 9 3 × 1 0 0 .

Q13:

Fill in the blanks in the following: × 1 0 0 = × 1 0 0 0 = 8 0 0 0 .

Q14:

Given that one metre = 100 centimetres, how many centimetres are in 21 metres?

Q15:

The length of an insect is 0.44 centimetres. Find the sum of the lengths of 10 insects.

Q16:

× 1 0 0 0 = 4 7 6 6 .

Q17:

Given that a cubic foot of natural gas produces BTU and that a company produced 8.36 million BTU burning natural gas, how many cubic feet of natural gas did they burn?

Q18:

Is it true that 1 . 2 2 3 1 × 1 0 0 = 1 2 2 . 3 1 ?

Q19:

1 0 . 5 6 7 × 1 0 = .

Q20:

A bottle holds 100 grams of medicine. How many grams are there in 76 bottles?

Q21:

Complete:

Q22:

Which of the choices is equal to 1 0 0 0 × 9 ?

Q23:

Nabil bought 8 cans of juice costing 7.75 LE each. How much would the seller give back to Nabil if Nabil gave him 100 LE?

Q24:

( 8 2 . 0 2 − 3 6 . 4 3 ) × 1 0 = .

Q25:

9 9 . 5 2 5 × 1 0 ≈ to the nearest tenth.

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