Which answer shows 2.13786 x 10^4written in standard form?

Mathematics

1 answer:

mihalych1998 [28]3 years ago

4 0

C, move the decimal point to the left according to the exponent on the 10, in this case 4 steps.

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If you were given a fractional strip, that did not have any subdivisions marked like this one pictured below, how would you dete

Pavlova-9 [17]

9514 1404 393

Answer:

it depends on the accuracy and resolution required of the answer

Step-by-step explanation:

The shaded portion appears to be about half the length of the unshaded portion, suggesting the shaded amount is 1/3.

Using a pair of dividers, one could determine the number of times the shaded portion fits into the whole bar. Depending on how much is left over, the process could repeat to determine the approximate size of the remaining fraction relative to the bar or to the shaded portion. (Alternatively, one could replicate the length of the bar to see what integer number of shaded lengths fit into what integer number of whole lengths.)

One could measure the shaded part and the whole bar with a ruler, then determine the relative size of the shaded part by dividing the first measurement by the second. The finer the divisions on the ruler, the better the approximation will be.

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3 years ago

Rewrite the expression by factoring out (y+8). 5(y+8) - 7y (y + 8) 0 X 5

andrew-mc [135]

Answer:

$(5-7y)(y+8)$