How many integers less than one billion are very round numbers

Answers

Answer 1

Answer: One digit: 9
2 digits: 9
...
9 digits: 9

9*9 = 81

81 is your answer

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What is the exponent on 10 when you write 5.3 in scientific notation

Answers

It's 1. Because 5.3 can't be simplified to any other scientific notation. It's 5.3 x 10^1

What is an equivalent expression to (24a+56b)

Answers

you could write 2(12a+28b)

Find the missing value for each rectangular prism. 1. Volume = 6 cu in Length = 3 in Width - 2 in Height = ____
2. Volume = 96 cu yd Length = ____ Width = 6 yd Height = 8yd
3. Volume = 125 cu ft Length = 5 ft Width = ____ Height = 5 ft