What happens to 1.7 when you multiply it by 10'

Move the decimal point to the right one place value.

1.7 x 10 = 17

17 is your answer

hope this helps

15.5

step-by-step explanation:

5

∑

n = 1

substitute n = 1, 2, 3, 4, 5 and sum the terms

= + + + 2² + 2³

= 0.5 + 1 + 2 + 4 + 8

= 15.5

final answer is : )