Question

plz tell me the answer i will give you brainlist and fallow you​

Answer 1

Answer:

1. -5

2.-1

3. 0

4. 0.0000001

5. -8

6. equal (=)

7. 30

8. 11

Answer 2

Question 1 :

-8 is less than -3 by _______

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Answer :

$\tt\:-8-(-3)$

$\tt\twoheadrightarrow\:-8+3$

$\small{\underline{\boxed{\mathrm{\twoheadrightarrow\:-5}}}}$ ★

_____________________

Question 2 :

-54 ÷ ____ = 54

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Answer :

Let the required number be x.

$\tt\therefore\:(-54) \div x = 54$

‎$\tt\twoheadrightarrow\:{-54}{x}= 54$

Cross multiplying

‎$\tt\twoheadrightarrow\:54x= -54$

Transposing 54 to RHS it goes to the denominator

‎$\tt\twoheadrightarrow\:x=\frac{ -54}{54}$

Reducing the fraction

‎$\tt\twoheadrightarrow\:x=\cancel{\frac{ -54}{54}}$

$\small{\underline{\boxed{\mathrm{\twoheadrightarrow\:-1}}}}$ ★

_____________________

Question 3 :

______ should be added to 1.7 to get 1.700

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Answer :

Let the required number be x.

According to the question -

$\tt\:1.7+x=1.700$

Transposing 1.7 to RHS it becomes -1.7

$\tt\twoheadrightarrow\:x=1.700-1.7$

Converting decimal numbers into fraction form

$\tt\twoheadrightarrow\:x=\frac{1700}{1000}-\frac{17}{10}$

Calculating LCM of 1000 and 10 = 1000

$\tt\twoheadrightarrow\:x=\frac{1700-(17 \times 100)}{1000}$

$\tt\twoheadrightarrow\:x=\frac{1700-1700}{1000}$

$\tt\twoheadrightarrow\:x=\frac{0}{1000}$

$\small{\underline{\boxed{\mathrm{\twoheadrightarrow\:0}}}}$ ★

_____________________

Question 4 :

0.01 × 0.00001 = _______

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Answer :

$\tt\:0.01 \times 0.00001$

Converting the decimal into fraction

$\tt\twoheadrightarrow\:\frac{1}{100} \times \frac{1}{100000}$

Multiplying the fraction

$\tt\twoheadrightarrow\:\frac{1}{10000000}$

Converting the fraction into decimal

$\small{\underline{\boxed{\mathrm{\twoheadrightarrow\:0.0000001}}}}$ ★

_____________________

Question 5 :

The value of z in z/2 - 4 = -8 is ______

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Answer :

$\tt\:\frac{z}{2}-4=-8$

Transposing -4 to RHS it becomes +4

$\tt\twoheadrightarrow\:\frac{z}{2}=-8+4$

$\tt\twoheadrightarrow\:\frac{z}{2}=-4$

Cross multiplying

$\tt\twoheadrightarrow\:z=-4 \times 2$

$\small{\underline{\boxed{\mathrm{\twoheadrightarrow\:(-8)}}}}$ ★

_____________________

Question 5 :

An equation must have an _______ sign.

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Answer :

An equation must have an $\small\fbox\green{equal~to~(=)}$ sign.

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Question 6 :

30 × ( -28 ) + 30 × 4 = ______ × ( -28 + 4 )

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Answer :

Let the required number be x.

$\tt\:30 \times (-28) + 30 \times 4 = x \times ( -28+4)$

Multiplying the numbers

$\tt\twoheadrightarrow\:840+ 30 \times 4 = x \times ( -28+4)$

$\tt\twoheadrightarrow\:840+120 = x \times ( -28+4)$

$\tt\twoheadrightarrow\:840+120 = x \times ( -24)$

$\tt\twoheadrightarrow\:840+120 = -24x$

$\tt\twoheadrightarrow\:960 = -24x$

$\tt\:oR\: -24x=960$

Transposing -24 to RHS it goes to the denominator

$\tt\twoheadrightarrow\: x=\frac{960}{-24}$

Reducing the fraction to lower terms

‎$\tt\twoheadrightarrow\:x=\cancel{\frac{960}{-24}}$

$\small{\underline{\boxed{\mathrm{\twoheadrightarrow\:-40}}}}$ ★

_____________________

Question 7 :

Reciprocal of 1/11 is ______

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Answer :

Reciprocal of 1/11 is $\large{\mathfrak{\frac{11}{1}~oR ~ 11}}$.

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‎$\sf\color{teal}{~~~~~~~~~~~~~~~~~~~~~~~~~~“~Thank~uH~♡~”}$

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