It is: ninety = 90
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In the number 891, the digit 9 is in the tens place. Therefore, the place value of 9 in 891 is 90. The place value of a digit in a number is determined by its position within the number, with each position representing a power of 10 (ones, tens, hundreds, etc.).
99 times 9 is equal to 891. This can be calculated by multiplying the two numbers together: 99 x 9 = 891. In this multiplication problem, you multiply the units place first (9 x 9 = 81) and then carry over the tens place to get the final answer of 891.
99 multiplied by 9 is equal to 891. To calculate this, you would multiply the digit in the units place of the first number (9) by the second number (9) to get 81, and then multiply the digit in the tens place of the first number (9) by the second number (9) to get 810. Finally, you would add these two results together to get the final answer of 891.
Well, let's take a moment to appreciate the number 891. The 8 in 891 holds a special place value - it's in the tens place. Just imagine it as a little bird perched on a branch, bringing balance and harmony to the number.
9 is in tens place.