Numbers in General form

Q.

Write thirty-five and three hundred seventy-six thousandths in standard form and in expanded form.

Q. Write the following numbers in the usual form.​

A. 10 × 5 + 6​
B. 100 × 7 + 10 × 1 + 8​
C. 100 × a + 10 × c + b​

(3 marks)

Q. Write the following in the usual form.

i) $100\times 8+10\times 5+9$

ii) $10000\times 1+100\times 5+10\times 2$

iii) $1000\times 5+10\times 1+3$

iv) $100000\times 3+1000\times 1+10\times 3$ [4 MARKS]

Q.

Write $800+80+\frac{8}{10}+\frac{4}{100}$ in the standard form.

Q. Choose the correct generalised form of 129 from the following:​

Q.

What is the definition of "standard form"?

Q. $43=4\times a+3\times 1$, the value of 'a' is .

1. 12
2. 10
3. 100
4. 1

Q.

Find the value of a:
$786=a\times 7+10\times 8+1\times 6$

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Q. $43=4\times a+3\times 1$, the value of 'a' is .

1. 12
2. 10
3. 100
4. 1

Q.

Soham borrowed money from his mother for buying pens. He bought 7 pens and the price of each pen is a two digit number, 1A. If the total amount spent by him is 10A, then the value of A is

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Q.

Soham borrowed money from his mother for buying pens. He bought 7 pens and the price of each pen is a two digit number, 1A. If the total amount spent by him is 10A, then the value of A is

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Q.

Soham borrowed money from his mother for buying pens. He bought 7 pens and the price of each pen is a two digit number, 1A. If the total amount spent by him is 10A, then the value of A is

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Q. What is the usual form of:

$100000\times 3+1000\times 1+10\times 3$

1. 1000030
2. 301030
3. 301030
4. 301030

Q.

Find the value of a:
$43=a\times 4+1\times 3$

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Q. $43=4\times a+3\times 1$, the value of 'a' is .

1. 12
2. 10
3. 100
4. 1

Q.

Write in generalised form: 85 [1 MARK]

Q.

Soham took a 3 digit number and formed two other 3 digit numbers using the digits of the original number. He then added the three resulting numbers and divided their sum by 37 . He concluded that the result was exactly divisible by 37, no matter what number he chose. Is Soham's statement true or false?

1. True

2. False

Q.

Write the standard form of:
7000 + 300 + 10 + 2

1. 7132

2. 7312

3. 2137

4. 3217

Q.

If a number 'x' is divisible by another number 'y', then 'x' is also divisible by all the prime factors of 'y'.

1. False

2. True

Q.

Find the value of a:
$43=a\times 4+1\times 3$

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Q.

Find the value of a:
$786=a\times 7+10\times 8+1\times 6$

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Q. What is the usual form of:

$100000\times 3+1000\times 1+10\times 3$

1. 1000030
2. 301030
3. 301030
4. 301030