Enter numbers to write 4.23×103 in standard notation.

4.23×10^3=4.23 × (blank space)

= (blank space)

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Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?