The expansion of the number 345 can be expressed as ___ + ___ + ___.

3×100 + 4×10 + 5×1

True or False: In the Indian system of numeration, the place value of ten thousand is the same as in the International system.

False

Place values differ in systems.

• Different numerical structures exist.

• Ten thousand has the same name.

• Understanding both systems is crucial.

What is the estimated sum of 435, 664, 410, and 239 when rounded to the nearest tens?

1750

Fill in the blank: A five-digit number has places labeled as ones, tens, hundreds, thousands, and ___ .

Ten thousands

If you round 416 to the nearest hundred, what is the result?

400

True or False: In comparing two numbers with the same number of digits, if the leftmost digit is equal, we continue to the next digit.

True

What is the expansion of the number 54672 in terms of its place values?

5×10000 + 4×1000 + 6×100 + 7×10 + 2×1

Fill in the blank: The number 72705062 would be written as ___ in the Indian system.

7,27,05,062

What is the estimated product of 199 and 31 when both numbers are rounded to their nearest significant place?

6000

True or False: When rounding off 15 to the nearest ten, it rounds down to 10.

False. It rounds up to 20.