Understand Powers of 10 Patterns Practice Test

A coach records a time of $350$ seconds and writes the number sentence $350 \div 10^1$ to convert it to a smaller number. Powers of 10 change place value positions, so the digits shift.

Text evidence of digit shift:

• Before: 3 hundreds, 5 tens, 0 ones
• After dividing by $10^1$: each digit shifts 1 place to the right

Which statement is correct?

A student is matching a number sentence to its result. Consider the number sentence $0.405 \times 10^1$. Powers of 10 change place value positions, so multiplying by $10^1$ shifts each digit 1 place to the left.

Which value matches $0.405 \times 10^1$?