PLEASE HELP THANKSSS If Donald has 11 dimes and quarters in his pocket, and they have a combined value of 170 cents, how many of each coin does he have?

170-11 is the vale for the quarters and 11 dimes I’m pretty sur

Answer is 7 dimes and 4 quarters

Step-by-step explanation:

10 x 7 equals 70 and 25 x 4 equals 100. Add 70 and 100, and you'll get 170.

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is:

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