Answer:
11
Step-by-step explanation:
Hello,
Given the original number n.
Multiply the number by 9.
Add 99.
Divide this sum by 9.
Subtract the original number, n, from the quotient.
Thank you.
Answer:
2,900
Step-by-step explanation:
Answer:
1. 2 × 10⁵
2. 8 × 10⁴
3. 9 × 10⁸
4. 1 × 10¹⁰
Step-by-step explanation:
Answer:
1. I, II,
Step-by-step explanation:
<em>I. Diagonals are perpendicular bisectors of each other </em>
Yes, because 4 sides are congruent so it makes the two diagonals perpendicular bisectors
<em>II. Diagonals bisect the angles from which they are drawn </em>
Yes, That is the property of the diagonal!
<em> III. Diagonals form four congruent isosceles right triangles. </em>
No, only two pairs of right triangles are congruent and sometime the side of each pair are different to each other.
Hence, we choose I and II
