Question

700,000 + 50,000 + 8,000 + 400 + 20 + 2 as a base-ten number.

a) 758,422
b) 758,522
c) 768,422
d) 768,522

Answer 1

The sum of the numbers 700,000 + 50,000 + 8,000 + 400 + 20 + 2 is calculated by adding each value from the ones place up to the hundreds of thousands place. The correct total is 758,422, which is option (a).

Step-by-step explanation:

To find the sum of 700,000 + 50,000 + 8,000 + 400 + 20 + 2, we just add each of these base-ten numbers together. We start from the rightmost digit and move towards the left, adding the values in each place:

• Ones place: 2
• Tens place: 20
• Hundreds place: 400
• Thousands place: 8,000
• Tens of thousands place: 50,000
• Hundreds of thousands place: 700,000

When these are all added together, we get:

700,000
+ 50,000
+ 8,000
+ 400
+ 20
+ 2
________
758,422

So, the correct answer to the sum of these numbers as a base-ten number is 758,422, which corresponds to answer choice (a).