{"id":22251,"date":"2022-01-14T16:51:37","date_gmt":"2022-01-14T11:21:37","guid":{"rendered":"https:\/\/apboardsolutions.guru\/?p=22251"},"modified":"2022-01-14T16:51:37","modified_gmt":"2022-01-14T11:21:37","slug":"ap-board-7th-class-maths-solutions-chapter-8-ex-8-3","status":"publish","type":"post","link":"https:\/\/apboardsolutions.guru\/ap-board-7th-class-maths-solutions-chapter-8-ex-8-3\/","title":{"rendered":"AP Board 7th Class Maths Solutions Chapter 8 Exponents and Powers Ex 8.3"},"content":{"rendered":"

SCERT\u00a0AP 7th Class Maths Solutions Pdf<\/a> Chapter 8 Exponents and Powers Ex 8.3 Textbook Exercise Questions and Answers.<\/p>\n

AP State Syllabus 7th Class Maths Solutions 8th Lesson Exponents and Powers Ex 8.3<\/h2>\n

Question 1.
\nWrite the following numbers in expanded form.
\n(i) 23468
\nAnswer:
\n23468 = (2 \u00d7 10,000) + (3 \u00d7 1000) + (4 \u00d7 100) + (6 \u00d7 10) + (8 \u00d7 1)
\n= (2 \u00d7 104<\/sup>) + (3 \u00d7 103<\/sup>) + (4 \u00d7 102<\/sup>) + (6 \u00d7 101<\/sup>) + (8 \u00d7 1)<\/p>\n

(ii) 120718
\nAnswer:
\n120718 = (1 \u00d7 1,00,000) + (2 \u00d7 10,000) + (0 \u00d7 1000) + (7 \u00d7 100) + (1 \u00d7 10) + (8 \u00d7 1)
\n= (1 \u00d7 105<\/sup>) + (2 \u00d7 104<\/sup>) + (7 \u00d7 102<\/sup>) + (1 \u00d7 101<\/sup>) + (8 \u00d7 1)<\/p>\n

(iii) 806190
\nAnswer:
\n806190 = (8 \u00d7 1,00,000) + (0 \u00d7 10,000) + (6 \u00d7 1000) + (1 \u00d7 100) + (9 \u00d7 10) + (0 \u00d7 1)
\n= (8 \u00d7 105<\/sup>) + (6 \u00d7 103<\/sup>) + (1 \u00d7 102<\/sup>) + (9 \u00d7 101<\/sup>)<\/p>\n

(iv) 3006194
\nAnswer:
\n3006194 = (3 \u00d7 10,00,000) + (0 \u00d7 1,00,000) + (0 \u00d7 10,000) + (6 \u00d7 1000) + (1 \u00d7 100) + (9 \u00d7 10) + (4 \u00d7 1)
\n= (3 \u00d7 106<\/sup>) + (6 \u00d7 103<\/sup>) + (1 \u00d7 102<\/sup>) + (9 \u00d7 101<\/sup>) + (4 \u00d7 1)<\/p>\n

\"AP<\/p>\n

Question 2.
\nWrite the following numbers in standard fortti:
\n(i) 5,00,000
\nAnswer:
\n5,00,000 = 5 \u00d7 1,00,000 = 5 \u00d7 105<\/sup><\/p>\n

(ii) 48,30,000
\nAnswer:
\n48,30,000 = 4.830000 \u00d7 10,00,000 (Decimal is shifted six places to the left).
\n= 4.830000 \u00d7 106<\/sup>
\n\u2234 48,30,000 = 4.83 \u00d7 106<\/sup><\/p>\n

(iii) 3,94,00,00,00,000
\nAnswer:
\n3,94,00,00,00,000 = 3.94000000000 \u00d7 100000000000 = 3.94 \u00d7 1011<\/sup><\/p>\n

(iv) 30000000
\nAnswer:
\n30000000 = 3 \u00d7 10000000 = 3 \u00d7 107<\/sup>
\n\u2234 30000000 = 3 \u00d7 107<\/sup><\/p>\n

(v) 180000
\nAnswer:
\n180000 = 1.80000 \u00d7 100000 = 1.8 \u00d7 105<\/sup><\/p>\n

Question 3.
\nExpress the number appearing in the following statements in standard form,
\n(i) The Universe is estimated to be about 12,000,000,000 years old.
\nAnswer:
\nThe Universe is 12,000,000,000 years old = 12 \u00d7 1,000,000,000
\n= 12 \u00d7 109<\/sup> years.
\n= 1.2 \u00d7 1010<\/sup> years.<\/p>\n

\"AP<\/p>\n

(ii) Earth circumference is about 402000000 km.
\nAnswer:
\nEarth circumference = 402000000 km
\n= 4.02000000 \u00d7 100000000 (Decimal is shifted eight places to left)
\n= 4.02 \u00d7 108<\/sup> km.
\n\u2234 Earth circumference = 4.02 \u00d7 108<\/sup> km.<\/p>\n","protected":false},"excerpt":{"rendered":"

SCERT\u00a0AP 7th Class Maths Solutions Pdf Chapter 8 Exponents and Powers Ex 8.3 Textbook Exercise Questions and Answers. AP State Syllabus 7th Class Maths Solutions 8th Lesson Exponents and Powers Ex 8.3 Question 1. Write the following numbers in expanded form. (i) 23468 Answer: 23468 = (2 \u00d7 10,000) + (3 \u00d7 1000) + (4 …<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[9],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/22251"}],"collection":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/comments?post=22251"}],"version-history":[{"count":3,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/22251\/revisions"}],"predecessor-version":[{"id":22296,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/22251\/revisions\/22296"}],"wp:attachment":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/media?parent=22251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/categories?post=22251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/tags?post=22251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}