1.

The distance light travels in one year is approximately 5,870,000,000,000 miles. The distance light travels in 100 years is:(a) 587 × 108 miles, (b) 587 × 1010 miles, (c) 587 × 10-10 miles, (d) 587 × 1012 miles, (e) 587 × 10-12 miles

Answer»

Qᴜᴇsᴛɪᴏɴ

ᴛʜᴇ ᴅɪsᴛᴀɴᴄᴇ ʟɪɢʜᴛ ᴛʀᴀᴠᴇʟs ɪɴ ᴏɴᴇ ʏᴇᴀʀ ɪs ᴀᴘᴘʀᴏxɪᴍᴀᴛᴇʟʏ 5,870,000,000,000 ᴍɪʟᴇs. ᴛʜᴇ ᴅɪsᴛᴀɴᴄᴇ ʟɪɢʜᴛ ᴛʀᴀᴠᴇʟs ɪɴ 100 ʏᴇᴀʀs ɪs:

(ᴀ) 587 × 108 ᴍɪʟᴇs

(ʙ) 587 × 1010 ᴍɪʟᴇs

(ᴄ) 587 × 10-10 ᴍɪʟᴇs

(ᴅ) 587 × 1012 ᴍɪʟᴇs

(ᴇ) 587 × 10-12 ᴍɪʟᴇs

ᴀɴsᴡᴇʀ

= ᴛʜᴇ ᴅɪsᴛᴀɴᴄᴇ ᴏғ ᴛʜᴇ ʟɪɢʜᴛ ᴛʀᴀᴠᴇʟs ɪɴ 100 ʏᴇᴀʀs ɪs :

=5,870,000,000,000 × 100 ᴍɪʟᴇs

= 587,000,000,000,000 ᴍɪʟᴇs

= 587 × {10}^{12}ᴍɪʟᴇs

ʜᴇɴᴄᴇ ᴀɴs ᴅ ɪs ʏᴏᴜʀ ᴄᴏʀʀᴇᴄᴛ



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