The expanded form of of a number is 50,000+2,000 +800 ±6 .write this n umber is standard form . then explain how you know if any of the digitsvin standard form are zero

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.