The correct answer here is A) 55. This is because a positive integer is defined as any number greater than 0 and has no decimals/ fractions in it. Therefore, you would add 1+2+3+4+5+6+7+8+9+10, yielding 55 as your answer.
Answer:

Step-by-step explanation:
1) if according to the condition a₁=3 and r=2/3, then a₁₀ can be calculated as:
a₁₀=a₁*r⁹;
2) according to the rule above:
a₁₀=3*(2/3)⁹=512*3/(6561*3)=512/6561.
Answer:
Step-by-step explanation:
731² - 631² is the difference of squares.
731² - 631² = (731+631)(731-631) = 1362×100
therefore, 731² - 631² is divisible by 100
Answer:
50.757575756
Step-by-step explanation:
I put it in calculator and transformed it.
Answer:

<u>Or in Decimal:</u>

Step-by-step explanation:
<u>Given expression :-</u>

<u>Solution :-</u>

This arithmetic expression may be rewritten as ;

Step 1 : <u>Cancel the zero of 10 and one zero of 100</u> :-

<em>Results to;</em>


Step 2: <u>Cancel 26 and 10</u><u> </u><u>by 2</u> :-

<em>Results to;</em>


<em>It can also be in Decimal.</em>
That is;

Hence, the answer of the expression would be 13/5 or 2.6 .

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